PYSEC-2026-1514
LangChain pickle deserialization of untrusted data
At a glance
- Published
- Updated
- CVE
- CVE-2024-5998
- Aliases
- GHSA-f2jm-rw3h-6phg, PYSEC-2024-323
- CVSS_V3
- CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:L
- CVSS_V4
- CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
Description
A vulnerability in the `FAISS.deserialize_from_bytes` function of langchain-ai/langchain allows for pickle deserialization of untrusted data. This can lead to the execution of arbitrary commands via the `os.system` function. The issue affects versions prior to 0.2.4.
Affected packages
| Package | Versions |
|---|---|
| PyPI · langchain-community | introduced 0, fixed 0.2.4 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2024-5998 ADVISORY
- https://github.com/langchain-ai/langchain/commit/604dfe2d99246b0c09f047c604f0c63eafba31e7 WEB
- https://github.com/langchain-ai/langchain/commit/77209f315efd13442ec51c67719ba37dfaa44511 WEB
- https://github.com/langchain-ai/langchain PACKAGE
- https://huntr.com/bounties/fa3a2753-57c3-4e08-a176-d7a3ffda28fe WEB
- https://pypi.org/project/langchain-community PACKAGE
- https://github.com/advisories/GHSA-f2jm-rw3h-6phg ADVISORY
Sources
| Source | Licence |
|---|---|
| OSV.dev | CC-BY 4.0 — PyPA Advisory Database |