Auth bypass in Documenso
CVE-2026-85697
Documenso 2.17.0 contains an access control vulnerability in the PDF-serving endpoint that fails to validate document visibility settings. Attackers with low privileges can read restricted documents within their team or cross-tenant by leveraging missing ownership validation on document data identifiers.
Vulnerability class: Broken Access Control
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (34.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001
Affected products
Weakness classification (CWE)
References
- github.com/documenso/documenso (product)
- github.com/documenso/documenso/blob/v2.17.0/apps/remix/server/api/files/files.h… (technical-description)
- github.com/documenso/documenso/issues/3112 (issue-tracking)
- www.vulncheck.com/advisories/documenso-2.17.0-pdf-route-ignores-document-visibi… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-85697?
- CVE-2026-85697 is a medium-severity vulnerability in Documenso, classified under Incorrect Authorization. CVSS score: 6.5/10. Published 2026-09-04.
- How severe is CVE-2026-85697?
- Medium severity. CVSS v3 base score is 6.5 out of 10.