CVE-2026-109295 | BDVDB-2026-386341 Detail

Description#

Open WebUI from 0.11.0 before 0.11.4 contains a regular expression denial of service vulnerability that allows authenticated users to stall server workers via file search patterns. Attackers can instruct the model to call grep_knowledge_files or grep_chat_files with a catastrophically backtracking regex, blocking the event loop for two seconds per repeated call.

Impact#

Weaknesses#

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Exploit#

History#

1. Version 12026-10-12Record published in the CVE List.
2. Version 22026-10-23Most recent update recorded in the CVE List.