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  4. CVE 2024 46946 langchain experimental eval injection
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Critical · CVSS 9.8CVE-2024-46946GHSA-P2QJ-R53J-H3XJ

LangChain Experimental Eval Injection vulnerabilityCVE-2024-46946

Answer in brief

CVE-2024-46946 records a Critical severity (CVSS 9.8) vulnerability in LangChain Experimental Eval Injection vulnerability. The current sources do not mark it as known exploited. The current feed maps langchain-experimental (pip), langchain-experimental (pypi). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 19, 2024Updated Oct 27, 2026Source checked Oct 27, 2026First seen by HOL Oct 27, 2026Material review Oct 27, 2026
Upstream Advisory

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-95
Source
GitHub Security Advisories
Source checked
Oct 27, 2026
References
8 linked sources
Open source record

Key facts

Risk
Critical · CVSS 9.8
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 9.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps langchain-experimental (pip), langchain-experimental (pypi). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
langchain-experimentalpip>=0.1.17,<=0.3.0Not reported
langchain-experimentalpypi>=0.1.17Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for langchain-experimental, langchain-experimental.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Sep 19, 2024

    Evidence: source:ghsa:source_dates:source-dates:record

  2. Source modified

    Oct 27, 2026

    Evidence: source:ghsa:source_dates:source-dates:record

  3. First seen by HOL

    Oct 27, 2026

Sources and claim methodology

  • Source referencedocs.sympy.org
  • GitHub security advisorygist.github.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • NVD vulnerability recordnvd.nist.gov
  • Source referencepypi.org
  • GitHub security advisorygithub.com
Upstream source description

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).

Quoted source text, attributed separately from HOL analysis.