CVE-2025-68664
unknown
CVSS v3
—
CVSS v4 NEW
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VIR risk
—
Description
LangChain serialization injection vulnerability enables secret extraction in dumps/loads APIs
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | langchain-core | >=1.0.0,<1.2.5 | 1.2.5 |
| PyPI | langchain-core | <0.3.81 | 0.3.81 |
References
- https://github.com/langchain-ai/langchain/security/advisories/GHSA-c67j-w6g6-q2cm
- https://nvd.nist.gov/vuln/detail/CVE-2025-68664
- https://github.com/langchain-ai/langchain/pull/34455
- https://github.com/langchain-ai/langchain/pull/34458
- https://github.com/langchain-ai/langchain/commit/5ec0fa69de31bbe3d76e4cf9cd65a6accb8466c8
- https://github.com/langchain-ai/langchain/commit/d9ec4c5cc78960abd37da79b0250f5642e6f0ce6
- https://github.com/langchain-ai/langchain
- https://github.com/langchain-ai/langchain/releases/tag/langchain-core%3D%3D0.3.81
- https://github.com/langchain-ai/langchain/releases/tag/langchain-core%3D%3D1.2.5
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.