CVE-2026-26013
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
—
Description
LangChain affected by SSRF via image_url token counting in ChatOpenAI.get_num_tokens_from_messages
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 | <1.2.11 | 1.2.11 |
References
- https://github.com/langchain-ai/langchain/security/advisories/GHSA-2g6r-c272-w58r
- https://nvd.nist.gov/vuln/detail/CVE-2026-26013
- https://github.com/langchain-ai/langchain/commit/2b4b1dc29a833d4053deba4c2b77a3848c834565
- https://github.com/langchain-ai/langchain
- https://github.com/langchain-ai/langchain/releases/tag/langchain-core%3D%3D1.2.11
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.