What is CVE-2026-85693?

CVE-2026-85693 is a medium-severity vulnerability, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-09-04.

How severe is CVE-2026-85693?

Medium severity. CVSS v3 base score is 6.5 out of 10.

CVE-2026-85693

CVE-2026-85693

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.

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

Frequently asked questions

What is CVE-2026-85693?: CVE-2026-85693 is a medium-severity vulnerability, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 6.5/10. Published 2026-09-04.
How severe is CVE-2026-85693?: Medium severity. CVSS v3 base score is 6.5 out of 10.