What is CVE-2026-82472?

CVE-2026-82472 is a high-severity vulnerability in Documenso, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-08-29.

How severe is CVE-2026-82472?

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

Auth bypass in Documenso

CVE-2026-82472

Documenso before 2.13.0 accepts PDF file uploads on the /api/files/upload-pdf endpoint without requiring authentication, session tokens, or API credentials. Unauthenticated attackers can upload arbitrary PDF files indefinitely to exhaust storage resources or fill the database with unlinked document records.

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:N/I:N/A:H.

Affected products

Documenso

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (technical-description)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-82472?: CVE-2026-82472 is a high-severity vulnerability in Documenso, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2026-08-29.
How severe is CVE-2026-82472?: High severity. CVSS v3 base score is 7.5 out of 10.