What is CVE-2026-85671?

CVE-2026-85671 is a high-severity vulnerability, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-09-04.

How severe is CVE-2026-85671?

High severity. CVSS v3 base score is 7.5 out of 10.

CVE-2026-85671

CVE-2026-85671

QAnything 2.0.0 contains an authentication bypass vulnerability in the /api/local_doc_qa/get_file_base64 and /api/local_doc_qa/get_doc endpoints that allows unauthenticated attackers to access any uploaded file or document. Attackers can enumerate file identifiers through unauthenticated endpoints and retrieve base64-encoded files or parsed document chunks without ownership verification to disclose cross-tenant knowledge base content.

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

Frequently asked questions

What is CVE-2026-85671?: CVE-2026-85671 is a high-severity vulnerability, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-09-04.
How severe is CVE-2026-85671?: High severity. CVSS v3 base score is 7.5 out of 10.