| Component | LangChain |
| Severity | medium (CVSS 6.3) |
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L |
| Published (NVD) | 2024-03-01 |
| Last modified | 2026-06-17 |
| Affected versions | langchain = 0.0.26 |
| Fixed in | see the vendor advisory |
| Weakness | CWE-918 |
| CISA KEV | not listed |
NVD description
A vulnerability was found in LangChain langchain_community 0.0.26. It has been classified as critical. Affected is the function load_local in the library libs/community/langchain_community/retrievers/tfidf.py of the component TFIDFRetriever. The manipulation leads to server-side request forgery. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.0.27 is able to address this issue. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-255372.
What to do
- NVD lists no fixed version yet: follow the vendor advisory below and keep LangChain off the public internet until a fix ships.
- Do not expose the component's API or UI to the internet without authentication in front of it.
Sources
- NVD: CVE-2024-2057
- https://github.com/langchain-ai/langchain/pull/18695
- https://github.com/bayuncao/vul-cve-16
- https://github.com/bayuncao/vul-cve-16/tree/main/PoC.pkl
- https://vuldb.com/?ctiid.255372
- https://vuldb.com/?id.255372
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