Medium 5.6Published Jun 29, 2026

CVE-2026-13543Documenso Google OAuth Login handle-oauth-callback-url.ts improper authentication

Updated under an hour ago (Oct 27, 2026, 7:10 PM ET)

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It affects n/a Documenso. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for n/a Documenso

Exploited in the last 30 days

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.

CVSS: 5.6 MEDIUM (v3.1, CNA)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
Weakness (CWE): CWE-287
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Jun 29, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

n/a Documenso documenso:documenso	2.0; 2.1; 2.2; 2.3; 2.4; 2.5; 2.6; 2.7; and 4 more ranges	CNA record

References

References

https://vuldb.com/vuln/374551	vdb-entry
https://vuldb.com/vuln/374551/cti	signature, permissions-required
https://vuldb.com/cve/CVE-2026-13543	third-party-advisory
https://vuldb.com/submit/842579	third-party-advisory
https://github.com/documenso/documenso/issues/2758	exploit, issue-tracking
https://github.com/documenso/documenso/pull/2837	issue-tracking, patch
https://github.com/documenso/documenso/	product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.