CVE-2026-7845
low
CVSS v3
2.6
CVSS v2
1.4
VIR risk
2.6
Description
Langchain-Chatchat Uses a Broken or Risky Cryptographic Algorithm
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-1-tobytes-Hash-Collision.md
- https://github.com/chatchat-space/Langchain-Chatchat/
- https://github.com/chatchat-space/Langchain-Chatchat/issues/5462
- https://vuldb.com/submit/807794
- https://vuldb.com/vuln/361124
- https://vuldb.com/vuln/361124/cti
- https://nvd.nist.gov/vuln/detail/CVE-2026-7845
- https://github.com/chatchat-space/Langchain-Chatchat
- https://github.com/advisories/GHSA-wmvv-fhm6-w34x
CWEs
CWE-327 CWE-328
Verify integrity in audit chain (admin only). AS-IS.