Unrated severityNVD Advisory· Published Jun 29, 2026· Updated Jun 29, 2026
Documenso Google OAuth Login handle-oauth-callback-url.ts improper authentication
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.
Patches
Vulnerability mechanics
References
6- github.com/documenso/documenso/pull/2837mitreissue-trackingpatch
- github.com/documenso/documenso/issues/2758mitreexploitissue-tracking
- vuldb.com/cve/CVE-2026-13543mitrethird-party-advisory
- vuldb.com/submit/842579mitrethird-party-advisory
- vuldb.com/vuln/374551mitrevdb-entry
- vuldb.com/vuln/374551/ctimitresignaturepermissions-required
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