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RsyncProject is a global open-source software project that maintains rsync, a fast incremental file-transfer and synchronization utility. Rsync uses a delta-transfer algorithm for local or remote copying and supports backup, restore, SSH-based operation, and daemon-based deployments with authentication and access controls. Its users include system administrators, developers, service operators, and organizations managing Unix or Unix-like systems.
As of 11/08/2026, RsyncProject recorded 34 security vulnerabilities in the last 90 days across 1 products, including 25 rated High or above and 0 known exploited vulnerabilities (KEV) that should be prioritized for immediate remediation.
Over the last 90 days, rsync had the most security vulnerabilities in the RsyncProject ecosystem, with 34 vulnerabilities—approximately 100% of the provider's total vulnerabilities during this period.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
CVE-2026-119741rsync < 3.5.2 Denial of Service via hash_search() Checksum CollisionsCVE-2026-70464rsync 2.0.0 < 3.5.0 Connection Slot Exhaustion DoS via Handshake StallCVE-2026-70463rsync 3.1.0 < 3.5.0 Authorization Bypass via auth users Directive ParsingCVE-2026-70462rsync 3.1.0 < 3.5.0 Signed Integer Overflow via MSG_IO_TIMEOUTCVE-2026-70461rsync 3.2.5 < 3.5.0 Heap Out-of-Bounds Write via files-from Entry| Vulnerability | Exploitation status | Fix | Affected product | Published | Severity |
|---|---|---|---|---|---|
CVE-2026-119741rsync < 3.5.2 Denial of Service via hash_search() Checksum Collisions | Exploitation statusNot exploited | FixYes |
| Published11/03/2026 |
| SeverityHigh |
CVE-2026-70464rsync 2.0.0 < 3.5.0 Connection Slot Exhaustion DoS via Handshake Stall | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityHigh |
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CVE-2026-70463rsync 3.1.0 < 3.5.0 Authorization Bypass via auth users Directive Parsing | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityHigh |
|---|
CVE-2026-70462rsync 3.1.0 < 3.5.0 Signed Integer Overflow via MSG_IO_TIMEOUT | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityHigh |
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CVE-2026-70461rsync 3.2.5 < 3.5.0 Heap Out-of-Bounds Write via files-from Entry | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityHigh |
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CVE-2026-70460rsync 2.3.3 < 3.5.0 Path Traversal via --partial-dir/--backup-dir Symlink | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityCritical |
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CVE-2026-70459rsync 3.0.0 < 3.5.0 Daemon Crash via Malformed File List Entry | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityMedium |
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CVE-2026-70458rsync 3.0.0 < 3.5.0 Out-of-Bounds Write via FLAG_HLINKED Handling | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityHigh |
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CVE-2026-70457rsync 3.2.3 < 3.5.0 Out-of-Bounds Write via parse_size_arg() | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityHigh |
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CVE-2026-70456rsync 3.0.1 < 3.5.0 Heap Out-of-Bounds Write via read_args() | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityHigh |
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CVE-2026-70455rsync 3.4.2 < 3.5.0 DoS via --zt Zstandard Compression Thread Exhaustion | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityHigh |
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CVE-2026-70454rsync < 3.5.0 TLS Certificate Validation Bypass via SSL/OpenSSL Mode | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityHigh |
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CVE-2026-70453rsync < 3.5.0 Algorithmic Complexity DoS via hash_search() | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityHigh |
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CVE-2026-70452rsync 3.1.0 < 3.5.0 Access Control Bypass via DNS Resolution Failure | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityCritical |
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CVE-2026-53803rsync < 3.5.0 Symlink Following Arbitrary File Overwrite | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityHigh |
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CVE-2026-53802rsync < 3.5.0 Arbitrary File Read via Symlink Following | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityHigh |
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CVE-2026-53801rsync < 3.5.0 Symlink Race Condition Directory Traversal | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityHigh |
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CVE-2026-53800rsync < 3.5.0 Symlink Race Condition via --remove-source-files | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityMedium |
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CVE-2026-53799rsync < 3.5.0 Symlink Race Condition via ACL/xattr Application | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityHigh |
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CVE-2026-53798rsync < 3.5.0 Privilege Confusion via name-converter uid/gid mapping | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityMedium |
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CVE-2026-53797rsync < 3.5.0 Symlink Race Condition Information Disclosure | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityMedium |
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CVE-2026-53796rsync < 3.5.0 TOCTOU Race Condition via Destination Directory Handling | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityMedium |
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CVE-2026-53795rsync < 3.5.0 Arbitrary File Write via --temp-dir/--link-dest | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityHigh |
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CVE-2026-53794rsync < 3.5.0 Denial of Service via --max-alloc=0 Logic Error | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityMedium |
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CVE-2026-53793rsync < 3.5.0 Path Confinement Bypass via /./ Boundary Marker in Chroot Mode | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityCritical |
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CVE-2026-53792rsync < 3.5.0 Out-of-Bounds Read via Zero-Length Checksum Block | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityHigh |
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CVE-2026-53791rsync < 3.5.0 Daemon IP Spoofing via PROXY Protocol Header | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityCritical |
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CVE-2026-53790rsync < 3.5.0 Command Injection via Multiple Code Paths | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityCritical |
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CVE-2026-53789rsync < 3.5.0 Arbitrary File Deletion via Malicious File List | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityHigh |
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CVE-2026-53788rsync < 3.5.0 Newline Injection via name-converter uid/gid mapping | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityMedium |
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CVE-2026-53786rsync < 3.5.0 Filter Rule Bypass via --filter Merge Directive | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityMedium |
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CVE-2026-53785rsync < 3.5.0 Path Traversal Write Escape via --relative Mode | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityMedium |
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CVE-2026-53784rsync < 3.5.0 Path Traversal via Symlink Module Root | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityHigh |
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CVE-2026-53783rsync < 3.5.0 TOCTOU Race Condition Directory Escape via rrsync | Exploitation statusNot exploited | FixYes | Affected productrsync | Published08/13/2026 | SeverityHigh |
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CVE-2026-45232Rsync < 3.4.3 Off-by-One Stack Write via HTTP Proxy | Exploitation statusNot exploited | FixYes | Affected productrsync | Published05/20/2026 | SeverityLow |
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CVE-2026-43620Rsync < 3.4.3 Out-of-Bounds Array Read via recv_files() | Exploitation statusNot exploited | FixYes | Affected productrsync | Published05/20/2026 | SeverityMedium |
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CVE-2026-43619Rsync < 3.4.3 Symlink Race Condition via Path-Based Syscalls | Exploitation statusNot exploited | FixYes | Affected productrsync | Published05/20/2026 | SeverityHigh |
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CVE-2026-43618Rsync < 3.4.3 Integer Overflow Information Disclosure | Exploitation statusNot exploited | FixYes | Affected productrsync | Published05/20/2026 | SeverityMedium |
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CVE-2026-43617Rsync < 3.4.3 Authorization Bypass via Hostname Resolution | Exploitation statusNot exploited | FixYes | Affected productrsync | Published05/20/2026 | SeverityMedium |
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CVE-2026-29518Rsync < 3.4.3 TOCTOU Race Condition Allows Symlink-Based Arbitrary File Write | Exploitation statusNot exploited | FixYes | Affected productrsync | Published05/20/2026 | SeverityHigh |
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