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Vulnerability record · CVE-2026-82472 · published 29 August 2026

CVE-2026-82472: Missing authentication for critical function vulnerability

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.

8.7 CVSS 4.0 High EPSS 0.76% · top 46.8% CWE-306 · Missing authentication for critical function Deferred
8.7CVSS 4.0 base score
0.76%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
24 Sep 2026Last modified by NVD

Description

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/documenso/documenso
https://github.com/documenso/documenso/blob/v2.12.0/apps/remix/server/api/files/files.ts
https://github.com/documenso/documenso/commit/4f346d3c2d5264f221e4d787e162f16051e44114
https://www.vulncheck.com/advisories/documenso-before-2.13.0-unauthenticated-file-upload-via-api-files-upload-pdf

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Source: NIST National Vulnerability Database (record CVE-2026-82472), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.