# CVE-2026-82472 — documenso

> As of 2026-08-29, CVE-2026-82472 is a HIGH-severity vulnerability in documenso, CVSS v3.1 7.5. No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-82472 as of 2026-08-29; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-08-29

## What is 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.

The record classifies CVE-2026-82472 under weakness class [CWE-306](https://intel.threadlinqs.com/cwe/CWE-306). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 37 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 7.5 — HIGH (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`)
- **CVSS v4.0 base score:** 8.7 (`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`)
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 3.8/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-08-29

## Is CVE-2026-82472 being exploited?

It currently carries a trending score of 30 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **documenso**: documenso

## How to fix CVE-2026-82472

No vendor patch reference has been recorded for CVE-2026-82472 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-82472

No threat campaign in the Threadlinqs corpus currently references CVE-2026-82472, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, NVD. Last verified by Threadlinqs on 2026-08-30. This product uses the NVD API but is not endorsed or certified by the NVD.

**Vendor advisory and patch**

- [github.com — patch](https://github.com/documenso/documenso/commit/4f346d3c2d5264f221e4d787e162f16051e44114)

**Technical analysis**

- [github.com — technical description](https://github.com/documenso/documenso/blob/v2.12.0/apps/remix/server/api/files/files.ts)

**Third-party advisory**

- [vulncheck.com — third party advisory](https://www.vulncheck.com/advisories/documenso-before-2.13.0-unauthenticated-file-upload-via-api-files-upload-pdf)

**Issue tracking and product pages**

- [github.com — product](https://github.com/documenso/documenso)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-82472
Full detection coverage and IOCs for threats exploiting CVE-2026-82472 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp