PT-2026-53462 · Pypi · Langchain Experimental

Published 2026-06-29 · Updated 2026-06-29

OSV

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

langchain experimental (aka LangChain Experimental) 0.1.17 through 0.3.0 for LangChain allows attackers to execute arbitrary code through sympy.sympify (which uses eval) in LLMSymbolicMathChain. LLMSymbolicMathChain was introduced in fcccde406dd9e9b05fc9babcbeb9ff527b0ec0c6 (2023-10-05).

Exploit

Fix

Related Identifiers

PYSEC-2026-374

Affected Products

Langchain Experimental

References · 8

• 🔥 https://gist.github.com/12end/68c0c58d2564ef4141bccd4651480820#file-cve-2024-46946-txt · Exploit
• https://osv.dev/vulnerability/PYSEC-2026-374 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-46946 · Security Note
• https://github.com/langchain-ai/langchain/releases/tag/langchain-experimental%3D%3D0.3.0 · Note
• https://github.com/langchain-ai/langchain · Note
• https://pypi.org/project/langchain-experimental · Note
• https://docs.sympy.org/latest/modules/codegen.html · Note
• https://github.com/advisories/GHSA-p2qj-r53j-h3xj · Note