CVE-2024-7774
CVE-2024-7774 is a critical-severity vulnerability in Langchain Langchain.js with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.
Key facts
- Severity: Critical (CVSS 3.x base score 9.1)
- EPSS exploit prediction: 1% (42nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-0091
- Weakness: CWE-22
- Affected product: Langchain Langchain.js
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2024-7774?
- CVE-2024-7774 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
- Is CVE-2024-7774 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-7774?
- CVE-2024-7774 affects Langchain Langchain.js. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2024-7774?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2024-7774 have an EU (EUVD) identifier?
- Yes. CVE-2024-7774 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0091.
- When was CVE-2024-7774 published?
- CVE-2024-7774 was published on 2024-10-29 and last updated on 2026-06-17.
References
- https://github.com/langchain-ai/langchainjs/commit/a0fad77d6b569e5872bd4a9d33be0c0785e538a9
- https://huntr.com/bounties/8fe40685-b714-4191-af7a-3de5e5628cee
Affected products (1)
- cpe:2.3:a:langchain:langchain.js:0.2.5:*:*:*:*:*:*:*
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