CVEvulnerability
CVE-2026-82290
6.0 MEDIUM
Official page ↗
- Status
- Deferred
- Published
- 2026-08-28
- Last modified
- 2026-09-16
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 6.0 MEDIUM — CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N
- Weaknesses
- CWE-639
Description
Chainlit through 2.12.0 fails to validate ownership of feedback records in PUT and DELETE endpoints. Authenticated attackers can delete or modify other users' feedback by supplying arbitrary feedback identifiers, corrupting human-rating data used for model evaluation.
Related
Weakness · CWE (1)
- CWE-639 Authorization Bypass Through User-Controlled Key weakness
References
- https://github.com/Chainlit/chainlit github.com
- https://github.com/Chainlit/chainlit/blob/190ea74239d9e84b26e7c91bc2882dd038942564/backend/chainlit/server.py github.com
- https://github.com/Chainlit/chainlit/issues/2975 github.com
- https://www.vulncheck.com/advisories/chainlit-feedback-endpoints-missing-ownership-validation www.vulncheck.com
- https://github.com/Chainlit/chainlit/issues/2975 github.com