Path Traversal in Langchain Langchain.js
CVE-2024-7774
A path traversal vulnerability exists in the `getFullPath` method of langchain-ai/langchainjs version 0.2.5. This vulnerability allows attackers to save files anywhere in the filesystem, overwrite existing text files, read `.txt` files, and delete files. The vulnerability is exploited through the `setFileContent`, `getParsedFile`, and `mdelete` methods, which do not properly sanitize user input.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.006 (43.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Langchain Langchain.js — versions 0.2.5
- Langchain-Ai Langchain-Ai/langchainjs — versions unspecified
Weakness classification (CWE)
Public proof-of-concept exploits
References
- huntr.com/bounties/8fe40685-b714-4191-af7a-3de5e5628cee (Exploit, Third Party Advisory)
- github.com/langchain-ai/langchainjs/commit/a0fad77d6b569e5872bd4a9d33be0c0785e5… (Patch)
Frequently asked questions
- What is CVE-2024-7774?
- CVE-2024-7774 is a critical-severity vulnerability in Langchain Langchain.js, classified under CWE-29. CVSS score: 9.1/10. Published 2024-10-29.
- How severe is CVE-2024-7774?
- Critical severity. CVSS v3 base score is 9.1 out of 10.
- Is CVE-2024-7774 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.