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langchain

2 known vulnerabilities (1 high, 1 medium), with the versions each affects and the releases that fix them.

Latest release
1.6.3 (Nov 7, 2026): no advisory affects it
Newest unaffected release
1.6.3 (Nov 7, 2026), the latest release
Advisories
2 · 1 high, 1 medium
Weekly downloads
4.2M
Dependents
668
Releases
477 since 0.0.4 (Feb 14, 2023)
Registry
npm
Releases read
Nov 8, 2026

Version timeline

  • CVE-2025-68665
    Affects 0.0.4 to 0.3.36 (0.3.37 is outside it); 1.0.1 to 1.2.3-dev-1766775128110 (1.2.3 is outside it)
  • CVE-2024-7774
    Affects 0.0.4 to 0.2.18 (0.2.19 is outside it)
Every release cve.now has on record, lowest version on the left; each bar is a run of versions an advisory affects.

Advisories 2

  • LangChain serialization injection vulnerability enables secret extraction

    Affected: from 1.0.0, fixed in 1.2.3; fixed in 0.3.37.

    Fixed in 0.3.37 (released Dec 23, 2025, the day of disclosure) and 1.2.3 (released Dec 22, 2025, 1 day before disclosure).

    The latest release, 1.6.3, is not affected.

    22% of langchain downloads last week were affected versions (971.1K).

  • CVE-2024-7774Medium 6.5

    Path Traversal in langchain-ai/langchainjs

    Affected: fixed in 0.2.19.

    Fixed in 0.2.19 (released Sep 11, 2024, 48 days before disclosure).

    The latest release, 1.6.3, is not affected.

    5% of langchain downloads last week were affected versions (220.6K).