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

Published 2026-08-29 · last modified 2026-09-24.

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.

EPSS exploit prediction

EPSS: 0.008 (53.9th percentile), scored 2026-10-14.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.008 · change: +0.003

Affected products

Documenso

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

github.com/documenso/documenso/commit/4f346d3c2d5264f221e4d787e162f16051e44114 (patch)
github.com/documenso/documenso/blob/v2.12.0/apps/remix/server/api/files/files.ts (technical-description)
github.com/documenso/documenso (product)
www.vulncheck.com/advisories/documenso-before-2.13.0-unauthenticated-file-uploa… (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.