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.
History

Mon, 07 Sep 2026 08:45:00 +0000

Type Values Removed Values Added
First Time appeared Mckaywrigley
Mckaywrigley chatbot-ui
Vendors & Products Mckaywrigley
Mckaywrigley chatbot-ui

Fri, 04 Sep 2026 14:45:00 +0000

Type Values Removed Values Added
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.
Title Chatbot UI Cross-User Private File Content Disclosure via Retrieval API
Weaknesses CWE-639
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published: 2026-09-04T14:32:36.706Z

Updated: 2026-09-04T14:32:36.706Z

Reserved: 2026-09-04T13:51:51.214Z

Link: CVE-2026-85693

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-04T15:17:47.397

Modified: 2026-09-04T15:17:47.397

Link: CVE-2026-85693

cve-icon Redhat

No data.