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CVE

CVE-2026-82281

Kotaemon Missing Ownership Check in Conversation Functions
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CVE

CVE-2026-82281

Kotaemon Missing Ownership Check in Conversation Functions

Kotaemon through 0.12.0 fails to properly validate conversation ownership in selectconv, deleteconv, renameconv, and onsetpublicconversation 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.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
9.1
-
4.0
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/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
C
H
U
0
-
C
H
U
-

Related Resources

No items found.

References

https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/82xxx/CVE-2026-82281.json, https://nvd.nist.gov/vuln/detail/CVE-2026-82281, https://www.vulncheck.com/advisories/kotaemon-missing-ownership-check-in-conversation-functions, https://github.com/Cinnamon/kotaemon/issues/846, https://github.com/Cinnamon/kotaemon, https://github.com/Cinnamon/kotaemon/blob/9ad3e4e49aa35b8acddd235918a5d9753c1cfdf9/libs/ktem/ktem/pages/chat/control.py

Severity

0

CVSS Score
0
10

Basic Information

Base CVSS
0
EPSS Probability
0.00331%
EPSS Percentile
0.24249%
Introduced Version
0
Fix Available
9ad3e4e49aa35b8acddd235918a5d9753c1cfdf9

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