CVE-2026-82281Kotaemon Missing Ownership Check in Conversation Functions
Updated under an hour ago ()
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It affects Cinnamon kotaemon. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 7.4 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
- Weakness (CWE)
- CWE-639
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Sep 3, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Cinnamon kotaemon cinnamon:kotaemon (from the name) | through 0.12.0 | CNA record |
References
- https://github.com/Cinnamon/kotaemon/issues/846issue-tracking
- https://github.com/Cinnamon/kotaemonproduct
- https://github.com/Cinnamon/kotaemon/blob/9ad3e4e49aa35b8acddd235918a5d9753c1cfdf9/libs/ktem/ktem/pages/chat/control.pytechnical-description
- https://www.vulncheck.com/advisories/kotaemon-missing-ownership-check-in-conversation-functionsthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.