MediumVulnerabilityLLM-specific
CVE-2025-6855: Langchain-Chatchat path traversal via the flag argument of /v1/file
- Source
- NVD(opens in a new tab)
- Identifier
- CVE-2025-6855
- Published
- Record updated
- Affected
- langchain-chatchat <= 0.3.1
- Fixed in
- No fixed version was stated when the source was last read.
- Known exploitation
- Not listed in the CISA Known Exploited Vulnerabilities catalog at the last check.
- EPSS
- 0.6%
Summary
CVE-2025-6855 is a critical vulnerability in chatchat-space Langchain-Chatchat up to 0.3.1. The flaw sits in the processing of the file /v1/file, where manipulation of the argument flag leads to path traversal (CWE-22). The exploit has been publicly disclosed and may be used.
Mitigation
The source does not state a fix yet. Check the original advisory for updates.
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