CVE-2023-39659: langchain Injection
CVSS: 9.8v3.1CriticalModified
AliasesGHSA-prgp-w7vf-ch62PYSEC-2023-147
Published 15-08-2023Last modified 08-10-2024
Vulnerability summary
CVE-2023-39659 is a critical (CVSS 9.8) Injection vulnerability in langchain. EPSS estimates a 1.53% chance of exploitation in the next 30 days, higher than 74.5% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
1.53%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 15-08-2023PublishedVulnerability first disclosed.
- 08-10-2024Last modifiedVulnerability information updated.
Description
An issue in langchain langchain-ai v.0.0.232 and before allows a remote attacker to execute arbitrary code via a crafted script to the PythonAstREPLTool._run component.
CVSS metrics
2 scores · 2 sources · 1 versionCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- OSV · PypiEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
1.53%
Chance of exploitation in the next 30 days
Percentile
75%
Versus all other CVEs
30-day change
0.00 pp
From 1.53% on 21-09-2026
21-09-202621-10-2026
EPSS score1.53%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundLangchain
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Langchain1 product
- langchain≤ 0.0.232
PyPI1 product
- langchain< 0.0.325 | < 0.0.233
2 vendors · 2 products
References
9 links- github.com/langchain-ai/langchain/issues/7700WEBEVIDENCEREPORTExploitIssue TrackingThird Party Advisory