CVE-2026-82281

Kotaemon Missing Ownership Check in Conversation Functions

Published Aug 28, 2026 CVSS 4.0 · 9.1 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
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.
Title Kotaemon Missing Ownership Check in Conversation Functions
First Time appeared Cinnamon
Cinnamon kotaemon
Weaknesses CWE-639
CPEs cpe:2.3:a:cinnamon:kotaemon:*:*:*:*:*:*:*:*
Vendors & Products Cinnamon
Cinnamon kotaemon
References
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N'}

cvssV4_0

{'score': 9.1, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 3, 2026, 1:25 PM
Reserved
Aug 28, 2026, 11:12 AM
Status
Deferred
Published
Aug 28, 2026, 8:20 PM
Modified
Sep 23, 2026, 5:17 PM