Medium severity6.3NVD Advisory· Published Jun 29, 2025· Updated Apr 29, 2026
CVE-2025-6853
CVE-2025-6853
Description
A vulnerability classified as critical has been found in chatchat-space Langchain-Chatchat up to 0.3.1. This affects the function upload_temp_docs of the file /knowledge_base/upload_temp_docs of the component Backend. The manipulation of the argument flag leads to path traversal. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
langchain-chatchatPyPI | <= 0.3.1.3 | — |
Affected products
1- cpe:2.3:a:chatchat-space:langchain-chatchat:*:*:*:*:*:*:*:*Range: <=0.3.1
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
6- github.com/chatchat-space/Langchain-Chatchat/issues/5352nvdExploitIssue TrackingWEB
- github.com/advisories/GHSA-qmgv-j263-qr33ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2025-6853ghsaADVISORY
- vuldb.comnvdThird Party AdvisoryVDB EntryWEB
- vuldb.comnvdThird Party AdvisoryVDB EntryWEB
- vuldb.comnvdPermissions RequiredVDB EntryWEB
News mentions
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