CVE-2026-85693: Authorization Bypass Through User-Controlled Key in mckaywrigley chatbot-ui
Chatbot UI contains an authorization bypass vulnerability in the retrieval endpoint that allows authenticated attackers to access private file content belonging to other users by supplying arbitrary file UUIDs. The endpoint uses a service-role Supabase client that bypasses row-level security and fails to validate file ownership, enabling attackers to retrieve indexed content chunks from victim files through crafted POST requests.
CVE-2026-85693: Authorization Bypass Through User-Controlled Key in mckaywrigley chatbot-ui
Description
Chatbot UI contains an authorization bypass vulnerability in the retrieval endpoint that allows authenticated attackers to access private file content belonging to other users by supplying arbitrary file UUIDs. The endpoint uses a service-role Supabase client that bypasses row-level security and fails to validate file ownership, enabling attackers to retrieve indexed content chunks from victim files through crafted POST requests.
CVSS v4.0
Score 7.1high
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-09-04T13:51:51.214Z
- Cvss Version
- 4.0
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a9adb49acd9273b49bef5fa
Added to database: 09/04/2026, 14:52:57 UTC
Last updated: 09/05/2026, 01:11:06 UTC
Views: 9
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