CVE-2026-82281: Authorization Bypass Through User-Controlled Key in Cinnamon kotaemon
Kotaemon through 0.12.0 fails to properly validate conversation ownership in select_conv, delete_conv, rename_conv, and on_set_public_conversation functions in control.py. Attackers can read other users' chat histories, delete conversations, or rename conversations by supplying arbitrary conversation identifiers without proper authorization checks.
CVE-2026-82281: Authorization Bypass Through User-Controlled Key in Cinnamon kotaemon
Description
Kotaemon through 0.12.0 fails to properly validate conversation ownership in select_conv, delete_conv, rename_conv, and on_set_public_conversation functions in control.py. Attackers can read other users' chat histories, delete conversations, or rename conversations by supplying arbitrary conversation identifiers without proper authorization checks.
CVSS v4.0
Score 9.1critical
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-08-28T11:12:50.930Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a91e416acd9273b4942e91a
Added to database: 08/28/2026, 19:40:06 UTC
Last updated: 08/29/2026, 01:25:56 UTC
Views: 9
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