CVE-2026-69098 | BDVDB-2026-355202 Detail

Description#

kotaemon through 0.12.0 contains an insecure deserialization vulnerability in the check_connection endpoint that allows unauthenticated attackers to instantiate arbitrary Python classes by supplying crafted YAML/JSON input with a __type__ field. Attackers can exploit this to override the __type__ field with subprocess.check_output and arbitrary arguments, achieving remote code execution with application process privileges.

Impact#

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Exploit#

History#

1. Version 12026-08-04Record published in the CVE List.
2. Version 22026-11-08Most recent update recorded in the CVE List.