CVE-2026-13543
Documenso Google OAuth Login handle-oauth-callback-url.ts improper authentication
- State
- Published
- Severity
- 6.3 Medium
- Published
- Jun 29, 2026
- Updated
- Jun 29, 2026
- Reserved
- Jun 28, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.3 Medium | CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 5.6 Medium | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 3.0 | 5.6 Medium | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R | VulDB |
| 2.0 | 5.1 Medium | AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
- CWE-287 Improper Authentication
Affected Products
| Product | Versions |
|---|---|
Documenson/a |
|
References
- VDB-374551 | Documenso Google OAuth Login handle-oauth-callback-url.ts improper authenticationvdb-entry
- VDB-374551 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-13543 | CVE Analysis and Reportthird-party-advisory
- Submit #842579 | documenso v2.11.0 Authentication Bypassthird-party-advisory
- https://github.com/documenso/documenso/issues/2758exploitissue-tracking
- https://github.com/documenso/documenso/pull/2837issue-trackingpatch
- https://github.com/documenso/documenso/product
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