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Cyber Risks Threaten Every Business

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Small & Medium

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Data and systems protection
Deployment within 1-2 weeks
Simple & intuitive operation
Risk detection & response

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Solutions For Businesses

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Solutions For Businesses

Large & Enterprise

Specialized products and services
24/7 monitoring and response
Detect complex security risks
Seamless integrate Jira/Slack/SSO/SIEM
Meet strict compliance & standards

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CyStack security experts work with many large software vendors
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CVE-2026-119085High8.8

Amazon Virtual Engineering Workbench Template Injection in Publishing Component Leading to Cross-Tenant Remote Code Execution (opens in a new tab)

CyStack researcher Trung Nguyen discovered a template injection flaw in the publishing component of Amazon Virtual Engineering Workbench (VEW).

Amazon Virtual Engineering Workbench

Amazon Web Services

11/02/2026

CVE-2026-106581High7.3

Missing Package Signature Verification in Docker Desktop for Windows Installer Leads to LocalSystem Code Execution (opens in a new tab)

CyStack researcher Trung Nguyen discovered a privilege escalation flaw in Docker Desktop for Windows and proved it by running attacker-controlled…

Docker Desktop

Docker

10/09/2026

CVE-2026-76454Critical9.1

Cisco License (Smart Software Manager) On-Prem Unauthenticated Arbitrary File Write via Smart Licensing Utility API (opens in a new tab)

CyStack researcher Trung Nguyen discovered a critical flaw in the Smart Licensing Utility API of Cisco License On-Prem, the on-premises licensing…

Cisco License On-Prem

Cisco

10/07/2026

GHSA-x4c7-fpcx-w9q6High8.7

SAML Identity-Provider Confusion in ZITADEL Leads to Account Takeover (opens in a new tab)

CyStack researcher Trung Nguyen discovered an account takeover flaw in ZITADEL and proved it by logging in as another organisation's user without…

ZITADEL

09/28/2026

CVE-2026-77524Critical9.9

Privilege Escalation from Namespace Admin to Cluster Admin via KEDA TriggerAuthentication (opens in a new tab)

CyStack researcher Trung Nguyen discovered a critical privilege escalation flaw in KEDA, the standard Kubernetes autoscaler, and proved it by taking…

KEDA

09/23/2026

CVE-2026-91098High8.6

HP Linux Imaging and Printing (HPLIP) Heap-Based Buffer Overflow Enables Remote Code Execution (opens in a new tab)

CyStack researcher Trung Nguyen discovered a heap-based buffer overflow (CWE-122) in HP Linux Imaging and Printing (HPLIP), the driver and…

HP Linux Imaging and Printing

09/16/2026

CVE-2026-91097High7.0

HP Linux Imaging and Printing (HPLIP) Out-of-Bounds Write Enables Remote Memory Corruption (opens in a new tab)

CyStack researcher Trung Nguyen discovered an out-of-bounds write flaw (CWE-787) in HP Linux Imaging and Printing (HPLIP), the driver and management…

HP Linux Imaging and Printing

09/16/2026

CVE-2026-94609High8.8

Privilege Escalation to Superuser via Group Hierarchy in authentik (opens in a new tab)

CyStack researcher Trung Nguyen discovered a privilege escalation flaw in authentik, the open-source identity provider used for single sign-on, and…

authentik

Authentik Security

09/09/2026

CVE-2026-84637Critical9.8

Thunderbird Calendar Invitation Attachments Can Launch Local Executables (opens in a new tab)

CyStack researcher Trung Nguyen discovered a flaw in how Mozilla Thunderbird handles calendar invitation attachments.

Thunderbird

Mozilla

09/01/2026

GHSA-fq2f-crmw-q97rHigh8.8

Valkey Lua Script Debugger Use-After-Free via SCRIPT FLUSH ASYNC Enables Server Crash and Potential Code Execution (opens in a new tab)

CyStack researchers Trung Nguyen and Phuc Nguyen discovered a use-after-free flaw in Valkey's Lua script debugger, and proved it by reliably…

Valkey

08/31/2026

CVE-2026-75889High7.7

Grafana Alloy ServiceMonitor bearerTokenFile arbitrary local file read → service account token theft (opens in a new tab)

CyStack researcher Trung Nguyen found a flaw in Grafana Alloy that lets a low-privileged Kubernetes user steal the monitoring agent's credentials.

Grafana Alloy

Grafana Labs

08/27/2026

CVE-2026-76356High8.1

Splunk SOAR Automation Broker Authentication Bypass via IP Spoofing Leading to RCE (opens in a new tab)

CyStack researcher Khanh Vu discovered an authentication bypass in the Automation Broker of Splunk SOAR.

Splunk SOAR

Splunk

08/19/2026

CVE-2026-61783High7.0

Wazuh Manager RBAC Deny-Rule Flaw Exposes Cluster Key (opens in a new tab)

CyStack researcher Duong Tran discovered an authorization flaw in Wazuh Manager that exposes the cluster's shared secret to a low-privilege user…

Wazuh Manager

Wazuh

08/18/2026

CVE-2026-8715Critical9.6

Arbitrary File Read and Credential Exfiltration in Vault Secrets Operator via AppRole secretIDPath (opens in a new tab)

CyStack researcher Trung Nguyen discovered an arbitrary file read in HashiCorp's Vault Secrets Operator that lets a low-privileged Kubernetes tenant…

Vault Secrets Operator

HashiCorp

08/13/2026

CVE-2026-59119High7.3

PowerShell Local Privilege Escalation via Incorrect Default Permissions (opens in a new tab)

CyStack researcher Trung Nguyen discovered an incorrect-default-permissions vulnerability in Microsoft PowerShell that lets a local, low-privileged…

PowerShell

Microsoft

08/11/2026

CVE-2026-43749High7.8

Apple macOS Accounts Directory-Path Parsing Flaw Allows Local Privilege Escalation to Root (opens in a new tab)

CyStack researcher Trung Nguyen discovered a local privilege escalation flaw in the Accounts component of Apple macOS.

macOS

Apple

07/27/2026

CVE-2026-43682High9.8

Apple macOS HFS Memory-Handling Flaw Allows Kernel Memory Corruption (opens in a new tab)

CyStack researcher Trung Nguyen discovered a kernel memory-corruption flaw in the HFS filesystem component of Apple macOS.

macOS

Apple

07/27/2026

CVE-2026-64364High8.8

Linux HID Multitouch Out-of-Bounds Bit Access Causes Kernel Memory Corruption (opens in a new tab)

CyStack researcher Trung Nguyen discovered an out-of-bounds memory corruption flaw in the Linux kernel's HID multitouch driver and proved it by…

Linux kernel

Linux Kernel Organization

07/25/2026

CVE-2026-67408High7.1

RabbitMQ Super-Stream Binding Keys Allocation Before Permission Check Allows Low-Privilege Node Denial of Service (opens in a new tab)

CyStack researcher Trung Nguyen discovered a denial-of-service vulnerability in RabbitMQ, one of the most widely deployed open-source message…

RabbitMQ

07/23/2026

CVE-2026-40691High7.5

Heap Overflow in Unbound DNSCrypt TCP Handling Allows Denial of Service (opens in a new tab)

CyStack researcher Trung Nguyen discovered a denial-of-service vulnerability in Unbound, one of the most widely deployed open-source DNS resolvers…

Unbound

NLnet Labs

07/22/2026

CVE-2026-60300Critical9.8

Oracle Coherence Core Vulnerability Allows Unauthenticated Remote Takeover (opens in a new tab)

CyStack researcher Trung Nguyen discovered a critical vulnerability in the core of Oracle Coherence.

Oracle Coherence

Oracle

07/21/2026

CVE-2026-60150High7.8

Oracle VM VirtualBox Core Vulnerability Allows Local Privilege Escalation to Full Takeover (opens in a new tab)

CyStack researcher Duong Tran discovered a vulnerability in the core of Oracle VM VirtualBox.

Oracle VM VirtualBox

Oracle

07/21/2026

CVE-2026-63199High8.3

Perses Datasource Proxy Authorization Bypass Exposes Cross-Scope Secrets (opens in a new tab)

CyStack researcher Duong Tran discovered an authorization flaw in Perses that lets a low-privileged user steal datasource credentials from a…

Perses

07/16/2026

CVE-2026-15167High7.5

Wireshark DBS Etherwatch File Parser Crash (Denial of Service) (opens in a new tab)

CyStack researcher Trung Nguyen discovered a denial-of-service flaw in Wireshark's DBS Etherwatch file parser.

Wireshark

07/08/2026

CVE-2026-54572High7.5

Rclone Unvalidated Symlink Target Allows Arbitrary File Write from an Untrusted Remote (opens in a new tab)

CyStack researcher Thanh Nguyen discovered an arbitrary file write flaw in rclone's local backend.

rclone

07/08/2026

CVE-2026-55852High8.6

Frappe Framework TarSlip Arbitrary File Write in Package Import Leading to RCE (opens in a new tab)

CyStack researcher Phuc Nguyen discovered a tar path-traversal (TarSlip) flaw in Frappe Framework's package import.

Frappe Framework

Frappe Technologies

07/04/2026

CVE-2026-42204Critical8.8

Authenticated RCE via SHELL_SAFE_COMMAND_PATTERN regression → host root (opens in a new tab)

A critical vulnerability in Coolify versions 4.0.0-beta.471 to 4.0.0-beta.473 allows authenticated users to execute arbitrary shell commands on the…

Coolify

Coollabs

07/02/2026

CVE-2026-44941High8.4

libzypp Path Traversal via keyhint in Repository Metadata Allows Root File Write (opens in a new tab)

CyStack researcher Trung Nguyen discovered a path traversal flaw in libzypp, the ZYpp package management library used by SUSE and openSUSE.

libzypp

SUSE

07/02/2026

CVE-2026-44161High7.2

Fluentd Server-Side Request Forgery via Placeholder Expansion in out_http (opens in a new tab)

CyStack researcher Trung Nguyen discovered a server-side request forgery (SSRF) flaw in Fluentd's out_http plugin.

Fluentd

06/26/2026

CVE-2026-44160High7.5

Fluentd Denial of Service via Gzip Decompression Bomb in in_http and in_forward (opens in a new tab)

CyStack researcher Trung Nguyen discovered a denial-of-service flaw in Fluentd's in_http and in_forward input plugins.

Fluentd

06/26/2026

CVE-2026-44025High7.5

Fluentd Monitor Agent API Exposes Plugin Credentials in Internal Variables (opens in a new tab)

CyStack researchers Trung Nguyen and Thanh Nguyen discovered a sensitive information exposure in Fluentd's Monitor Agent.

Fluentd

06/26/2026

CVE-2026-44024Critical9.8

Fluentd Arbitrary File Write via ${tag} Placeholder in out_file Leading to RCE (opens in a new tab)

CyStack researcher Trung Nguyen discovered an arbitrary file write flaw in Fluentd's out_file plugin.

Fluentd

06/26/2026

CVE-2026-42055High8.1

NGINX ngx_http_proxy_v2_module and ngx_http_grpc_module Heap-Based Buffer Overflow (opens in a new tab)

CyStack researcher Trung Nguyen discovered a heap-based buffer overflow in NGINX's HTTP/2 upstream modules (ngx_http_proxy_v2_module and…

NGINX

06/17/2026

CVE-2026-42530High8.1

NGINX ngx_http_v3_module HTTP/3 QPACK Encoder Stream Use-After-Free (opens in a new tab)

CyStack researcher Trung Nguyen discovered a use-after-free in NGINX's HTTP/3 module (ngx_http_v3_module) and proved it by crafting an HTTP/3…

NGINX

06/17/2026

CVE-2026-47701High7.7

OpenTelemetry Operator Target Allocator ServiceMonitor bearerTokenFile arbitrary local file read → service account token theft (opens in a new tab)

CyStack researcher Trung Nguyen found a flaw in the OpenTelemetry Operator that lets a low-privileged Kubernetes user steal the monitoring system's…

OpenTelemetry Operator

OpenTelemetry

06/10/2026

CVE-2026-45034High9.2

PhpSpreadsheet phar:// Stream Wrapper Restriction Bypass Leading to Deserialization / RCE (opens in a new tab)

The previous fix blocked dangerous paths like `phar://` by inspecting the file's "scheme", but CyStack researcher Trung Nguyen found that adding an…

PhpSpreadsheet

PHPOffice

06/07/2026

CVE-2026-52884High7.8

Notepad++ Trusted Directory Validation Bypass via Path Traversal Leads to Arbitrary Code Execution (opens in a new tab)

A flaw in Notepad++ lets an attacker run a malicious program on the victim's computer without their consent.

Notepad++

05/31/2026

CVE-2026-42782High7.2

Apache Syncope Groovy Sandbox Bypass via Static Initializer Leads to Post-Auth Remote Code Execution (opens in a new tab)

CyStack researcher Trung Nguyen discovered a way to run arbitrary code on an Apache Syncope server and proved it by escaping the platform's Groovy…

Apache Syncope

Apache Software Foundation

05/25/2026

GHSA-wwhq-w58m-w29cHigh

Caddy vars_regexp Placeholder Expansion Injection via Literal Key Names (opens in a new tab)

A vulnerability in Caddy allows for placeholder expansion injection through the use of literal key names.

Caddy

Caddy Server

05/13/2026

CVE-2026-39352Critical8.7

Frappe Framework Arbitrary File Read via Path Traversal (opens in a new tab)

Frappe Framework versions prior to 15.105.0 and 16.15.0 have a critical vulnerability that allows arbitrary file reading through path traversal.

Frappe Framework

Frappe Technologies

05/11/2026

CVE-2026-44843High8.2

LangChain - Unsafe deserialization of attacker-controlled LangChain objects (opens in a new tab)

LangChain is a framework that previously had a vulnerability allowing unsafe deserialization of attacker-controlled objects.

LangChain

05/05/2026

wekan-avatar-bleedCritical

Wekan Avatar RCE (opens in a new tab)

A critical remote code execution (RCE) vulnerability has been discovered in Wekan, affecting versions 9.06 and earlier.

Wekan

05/02/2026

CVE-2026-44447High8.8

ERPNext - Possibility of SQL Injection due to missing validation (opens in a new tab)

ERPNext is an open-source Enterprise Resource Planning tool that had a vulnerability allowing SQL injection due to missing validation in some…

ERPNext

frappe

04/30/2026

CVE-2026-44446High8.8

ERPNext - Possibility of SQL Injection due to missing validation (opens in a new tab)

ERPNext, an open-source Enterprise Resource Planning tool, had a vulnerability that allowed SQL injection due to missing validation in certain…

ERPNext

frappe

04/30/2026

CVE-2026-44442Critical9.9

ERPNext - Unauthorised Document modification due to missing validation (opens in a new tab)

ERPNext is an open-source Enterprise Resource Planning tool that had a critical vulnerability prior to version 16.9.1.

ERPNext

Frappe Technologies

04/30/2026

CVE-2026-44334Critical8.4

PraisonAI - Unauthenticated RCE via tool_override.py (opens in a new tab)

PraisonAI is vulnerable to unauthenticated remote code execution (RCE) due to a flaw in the tool_override.py file.

PraisonAI

Mervin Praison

04/29/2026

CVE-2026-23899High8.8

Joomla! Core - Improper access check in webservice endpoints (opens in a new tab)

Joomla! has a vulnerability due to improper access checks in its webservice endpoints, which may allow unauthorized users to access sensitive…

Joomla

04/01/2026

CVE-2026-0631High8.0

TP-Link Archer Routers Authenticated OS Command Injection in Surfshark VPN Login (opens in a new tab)

CyStack researcher Trung Nguyen discovered an OS command injection flaw in TP-Link Archer routers.

TP-Link Archer

TP-Link

02/02/2026

CVE-2025-59837High7.2

Server-Side Request Forgery in astrojs (opens in a new tab)

Astro is a web framework that has a vulnerability in its image proxy feature.

Astro

10/28/2025

CVE-2025-5366High8.1

ManageEngine Exchange Reporter Plus - Stored XSS in folder-wise read mails with subject report (opens in a new tab)

ManageEngine Exchange Reporter Plus versions 5722 and below are vulnerable to a Stored XSS attack in the folder-wise read mails with subject report…

Exchange Reporter Plus

ManageEngine

06/26/2025

CVE-2025-3835Critical9.6

ManageEngine Exchange Reporter Plus - Remote code execution in Content Search module (opens in a new tab)

ManageEngine Exchange Reporter Plus versions 5721 and prior are vulnerable to a critical remote code execution (RCE) flaw in the Content Search…

Exchange Reporter Plus

ManageEngine

06/09/2025

CVE-2022-41938Critical9.0

Stored XSS leads to account takeover in Flarum (opens in a new tab)

A critical stored XSS vulnerability in Flarum allows attackers to inject malicious HTML into discussion titles.

Flarum

11/18/2022

CVE-2021-44832Critical6.6

Cyclos < 4.14.15 – Remote code execution (opens in a new tab)

Cyclos versions prior to 4.14.15 are vulnerable to a critical remote code execution (RCE) attack.

Cyclos

12/28/2021

CVE-2019-19307Critical9.8

Cesanta Mongoose 6.16 - Integer overflow (opens in a new tab)

An integer overflow vulnerability in Cesanta Mongoose version 6.16 can be exploited by an attacker to cause a remote denial of service (DoS) or…

Mongoose

Cesanta

11/26/2019

CVE-2019-16057Critical9.8

D-Link DNS-320 ShareCenter <= 2.05.B10 - Unauthenticated Remote code execution (opens in a new tab)

The D-Link DNS-320 ShareCenter, up to version 2.05.B10, is vulnerable to unauthenticated remote code execution due to a flaw in the login_mgr.cgi…

DNS-320 ShareCenter

D-Link

09/16/2019

CVE-2019-5417Critical7.5

Path traversal vulnerability in serve npm package version (opens in a new tab)

A critical path traversal vulnerability exists in the serve npm package version 7.0.1.

serve

Vercel

07/02/2018

CVE-2018-3809Critical5.3

Directory listing in NPM module (opens in a new tab)

The NPM module 'serve' version 6.5.3 has a critical vulnerability that allows directory listing and file access, even for files that should be…

serve

Vercel

05/31/2018

CVE-2019-5415Critical7.5

Directory listing in NPM serve (opens in a new tab)

A vulnerability in the serve module version 6.5.3 allows attackers to read files or list directories that should not be accessible.

serve

Vercel

05/30/2018

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Detecting Vulnerabilities in VinID & VinShop With Bug Bounty Program

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To stay competitive, we needed to ship faster. CyStack’s community‑driven security on WhiteHub helped us improve platform safety at scale - without slowing development.

Tung Nguyen

Head of Product Security, One Mount

Detecting Vulnerabilities in VinID & VinShop With Bug Bounty Program

Learn More

To stay competitive, we needed to ship faster. CyStack’s community‑driven security on WhiteHub helped us improve platform safety at scale - without slowing development.

Tung Nguyen

Head of Product Security, One Mount

Secure, Global-Compliance Password Management With Locker for VinCSS

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CyStack delivered the project with strong professionalism and clear execution. Locker is a competitive solution with accessible pricing, and we confidently recommend it for protecting sensitive credentials.

Trac Do

Chief Executive Officer, VinCSS

Meeting Partner Security Requirements and Standardizing Controls Quickly

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We had to address 17 outstanding security control items under partner pressure. CyStack helped us resolve them in a quarter of the expected time, without compromising quality, so we could move forward with the deal.

Tuan Anh Le

Chief Technology Officer, VietnamCredit

Security Architecture Consulting for a Global Card Issuing Platform

Learn more

CyStack showed strong expertise in securing our critical EMV card issuing platform. Their specialized solutions met strict technical and business requirements, and we confidently recommend them.

Sutat Suksawat

Chief Executive Officer, DZ Solution (dzcard)

Complex Layer‑1 Testing Two Weeks Completion Before Mainnet

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We had difficulty finding a security partner because a two-week deadline for such a complex system was something most parties were reluctant to accept. CyStack demonstrated superior capability by taking on and smoothly handling this challenge. The excellent results they delivered truly exceeded our expectations.

Dmitriy Gerasimov

Chief Executive Officer, Cellframe

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Turn Information Security Into Your Core Competitive Advantage

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Preventing Digital Threats, Securing Your Business 24/7

24/7

Cyber Risks Threaten Every Business

Is Your System Secure? Run a Security Check

CyStack - Your Trusted Cybersecurity Partner

Solutions For Businesses

Small & Medium

Solutions For Businesses

Small & Medium

Solutions For Businesses

Large & Enterprise

Solutions For Businesses

Large & Enterprise

Solutions For Businesses

Small & Medium

Solutions For Businesses

Small & Medium

Solutions For Businesses

Large & Enterprise

Solutions For Businesses

Large & Enterprise

What Makes CyStack Different?

Technology‑Driven Security Management

Proven & Experienced Expert Team

Hack and Dev Mindset

Community‑Based Security

International Certifications & Standards

Continuously finding vulnerabilities and helping protect global cybersecurity

CyStack Secures Leading Organizations Across Industries

Detecting Vulnerabilities in VinID & VinShop With Bug Bounty Program

Detecting Vulnerabilities in VinID & VinShop With Bug Bounty Program

Secure, Global-Compliance Password Management With Locker for VinCSS

Meeting Partner Security Requirements and Standardizing Controls Quickly

Security Architecture Consulting for a Global Card Issuing Platform

Complex Layer‑1 Testing Two Weeks Completion Before Mainnet

Resources & Research from CyStack

Turn Information Security Into Your Core Competitive Advantage

Preventing Digital Threats, Securing Your Business 24/7

24/7

Cyber Risks Threaten Every Business

Is Your System Secure? Run a Security Check

CyStack - Your Trusted Cybersecurity Partner

Solutions For Businesses

Small & Medium

Solutions For Businesses

Small & Medium

Solutions For Businesses

Large & Enterprise

Solutions For Businesses

Large & Enterprise

Solutions For Businesses

Small & Medium

Solutions For Businesses

Small & Medium

Solutions For Businesses

Large & Enterprise

Solutions For Businesses

Large & Enterprise

What Makes CyStack Different?

Technology‑Driven Security Management

Proven & Experienced Expert Team

Hack and Dev Mindset

Community‑Based Security

International Certifications & Standards

Continuously finding vulnerabilities and helping protect global cybersecurity

Preventing Digital Threats,
Securing Your Business 24/7

Proven & Experienced
Expert Team

Continuously finding vulnerabilities
and helping protect global cybersecurity

Preventing Digital Threats,
Securing Your Business 24/7

Proven & Experienced
Expert Team

Continuously finding vulnerabilities
and helping protect global cybersecurity