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.
History

Mon, 31 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 28 Aug 2026 19:45:00 +0000

Type Values Removed Values Added
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.
Title Chainlit Feedback Endpoints Missing Ownership Validation
First Time appeared Chainlit
Chainlit chainlit
Weaknesses CWE-639
CPEs cpe:2.3:a:chainlit:chainlit:*:*:*:*:*:*:*:*
Vendors & Products Chainlit
Chainlit chainlit
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N'}

cvssV4_0

{'score': 6, 'vector': '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-08-28T16:19:07.258Z

Updated: 2026-08-31T18:51:00.533Z

Reserved: 2026-08-28T11:12:54.097Z

Link: CVE-2026-82290

cve-icon Vulnrichment

Updated: 2026-08-31T18:50:45.682Z

cve-icon NVD

Status : Received

Published: 2026-08-28T20:20:20.680

Modified: 2026-08-31T19:17:18.273

Link: CVE-2026-82290

cve-icon Redhat

No data.