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Severity across 5 analyzed records
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As of 09/18/2026, within CyStack's analyzed data, langsmith-sdk has 1 security vulnerability published in the last 90 days. Of these, 0 are rated High or Critical. None of these vulnerabilities is listed in the CISA KEV catalog. CyStack recommends that organizations and individual users remediate applicable vulnerabilities as soon as possible.
CyStack does not yet have sufficient official-source data to identify the latest version of langsmith-sdk and determine which vulnerabilities affect that version.
CyStack VulnScan continuously discovers assets, validates vulnerabilities, and helps security teams prioritize remediation across the organization.
Explore CyStack VulnScan| Vulnerability | Exploitation status | Fix | Published | Severity |
|---|---|---|---|---|
CVE-2026-59152Arbitrary server-side file read in LangSmith SDK TracingMiddleware | Exploitation statusNot known exploited | FixYes | Published07/06/2026 | SeverityMedium |
CVE-2026-45134LangSmith Client SDK: Public prompt pull deserializes untrusted manifests without trust boundary warning | Exploitation statusNot known exploited | FixYes | Published05/27/2026 | SeverityHigh |
CVE-2026-41182LangSmith SDK: Streaming token events bypass output redaction | Exploitation statusNot known exploited | FixNot confirmed | Published04/23/2026 | SeverityMedium |
CVE-2026-40190LangSmith Client SDKs has Prototype Pollution in langsmith-sdk via Incomplete `__proto__` Guard in Internal lodash `set()` | Exploitation statusPublic exploit | FixYes | Published04/10/2026 | SeverityMedium |
CVE-2026-25528LangSmith Client SDK Affected by Server-Side Request Forgery via Tracing Header Injection | Exploitation statusNot known exploited | FixYes | Published02/09/2026 | SeverityMedium |
