Is CVE-2026-13543 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-13543?

CVE-2026-13543 has a CVSS v3 severity of MEDIUM (5.6).

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CVE-2026-13543

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.