CVE-2024-46946 json
LangChain Experimental Eval Injection vulnerability
published 2024-09-19 2 y ago modified 2026-10-27 13 d ago also GHSA-p2qj-r53j-h3xj , PYSEC-2026-374 , EUVD-2024-2841
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
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).
Patch / fix
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
1.39% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- gist.github.com https://gist.github.com/12end/68c0c58d2564ef4141bccd4651480820#file-cve-2024-46946-txt referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| OSV | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| pypi | langchain-experimental | >=0.1.17, <=0.3.0 |
no fix listed |
Affected products
- langchain langchain_experimental
Classification
References
-
gist.github.com
/12end/68c0c58d2564ef4141bccd4651480820#file-cve-2024-46946-txt
web, exploit, third-party-advisory
-
cwe.mitre.org
/data/definitions/95.html
not-applicable
-
github.com
/langchain-ai/langchain/releases/tag/langchain-experimental%3D%3D0.3.0
web, release-notes
-
docs.sympy.org
/latest/modules/codegen.html
web, technical-description
-
nvd.nist.gov
/vuln/detail/CVE-2024-46946
advisory
-
github.com
/langchain-ai/langchain
package
-
github.com
/pypa/advisory-database/tree/main/vulns/langchain-experimental/PYSEC-2026-374.yaml
web
-
pypi.org
/project/langchain-experimental
web, package
-
github.com
/advisories/GHSA-p2qj-r53j-h3xj
advisory
Sources
- CVE List CVE-2024-46946
- GitHub Advisory GHSA-p2qj-r53j-h3xj
- NVD CVE-2024-46946
- OSV PYSEC-2026-374
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.