CVE-2026-7846
low
CVSS v3
2.6
CVSS v2
1.4
VIR risk
2.6
Description
Langchain-Chatchat has a Race Condition in its OpenAI-Compatible File Upload API
Predictions
Exploit likelihood
28%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| PyPI | langchain-chatchat | <=0.3.1.3 | |
| PIP | langchain-chatchat | <= 0.3.1.3 | |
References
- https://github.com/3em0/cve_repo/blob/main/Langchain-Chatchat/Vuln-2-Silent-File-Overwrite.md
- https://github.com/chatchat-space/Langchain-Chatchat/
- https://github.com/chatchat-space/Langchain-Chatchat/issues/5463
- https://vuldb.com/submit/807795
- https://vuldb.com/vuln/361125
- https://vuldb.com/vuln/361125/cti
- https://nvd.nist.gov/vuln/detail/CVE-2026-7846
- https://github.com/chatchat-space/Langchain-Chatchat
- https://github.com/advisories/GHSA-x229-w2j4-h748
CWEs
CWE-362 CWE-367
Verify integrity in audit chain (admin only). AS-IS.