---
id: CVE-2026-13543
title: A vulnerability was detected in Documenso up to 2.11.0
summary: >-
  A vulnerability was detected in Documenso up to 2.11.0. Affected by this
  vulnerability is an unknown functionality of the file
  packages/auth/server/lib/utils/handle-oauth-callback-url.ts of the component
  Google OAuth Login. The manipulat…
severity: medium
cvss: 5.6
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-287
published: '2026-06-29'
updated: '2026-06-29'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-13543'
references:
  - url: 'https://github.com/documenso/documenso/'
    label: cna@vuldb.com
  - url: 'https://github.com/documenso/documenso/issues/2758'
    label: cna@vuldb.com
  - url: 'https://github.com/documenso/documenso/pull/2837'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/cve/CVE-2026-13543'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/submit/842579'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/374551'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/vuln/374551/cti'
    label: cna@vuldb.com
tags:
  - nvd
ingestedAt: '2026-06-29T13:42:12.367Z'
epss: 0.00586
epssPercentile: 0.45665
---

## Overview

A vulnerability was detected in Documenso up to 2.11.0. Affected by this vulnerability is an unknown functionality of the file packages/auth/server/lib/utils/handle-oauth-callback-url.ts of the component Google OAuth Login. The manipulation results in improper authentication. It is possible to launch the attack remotely. This attack is characterized by high complexity. The exploitation appears to be difficult. The exploit is now public and may be used. The pull request to fix this issue awaits acceptance.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.