CVE-2026-13543

Documenso Google OAuth Login handle-oauth-callback-url.ts improper authentication

MEDIUM
5.6
CVSS Score
Published: June 29, 2026 at 06:30 AM UTC
Updated: July 1, 2026 at 11:22 PM UTC
1 product affected across 1 vendorDocumenso

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Severity
MEDIUM5.6
Exploit prediction
EPSS 0.6%
SSVC
PoC

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (7)

VDB Entry
Source: cverecord
https://vuldb.com/vuln/374551
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/374551/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-13543
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/842579
ExploitIssue Tracking
Source: cverecord
https://github.com/documenso/documenso/issues/2758
Issue TrackingPatch
Source: cverecord
https://github.com/documenso/documenso/pull/2837

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.6MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-287

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