{"id":"CVE-2026-13543","state":"PUBLISHED","title":"Documenso Google OAuth Login handle-oauth-callback-url.ts improper authentication","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.","publishedAt":"2026-06-29T06:30:08.682Z","updatedAt":"2026-06-29T10:55:04.918Z","severity":{"score":6.3,"label":"Medium","version":"4.0","vector":"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","source":"VulDB"},"assigner":"VulDB","products":["n/a Documenso"],"affected":[{"vendor":"n/a","product":"Documenso","versions":[{"version":"2.0","status":"affected"},{"version":"2.1","status":"affected"},{"version":"2.2","status":"affected"},{"version":"2.3","status":"affected"},{"version":"2.4","status":"affected"},{"version":"2.5","status":"affected"},{"version":"2.6","status":"affected"},{"version":"2.7","status":"affected"},{"version":"2.8","status":"affected"},{"version":"2.9","status":"affected"},{"version":"2.10","status":"affected"},{"version":"2.11.0","status":"affected"}],"cpes":["cpe:2.3:a:documenso:documenso:*:*:*:*:*:*:*:*"],"modules":["Google OAuth Login"]}],"references":["https://vuldb.com/vuln/374551","https://vuldb.com/vuln/374551/cti","https://vuldb.com/cve/CVE-2026-13543","https://vuldb.com/submit/842579","https://github.com/documenso/documenso/issues/2758","https://github.com/documenso/documenso/pull/2837","https://github.com/documenso/documenso/"],"weaknesses":["CWE-287"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/13xxx/CVE-2026-13543.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-13543","state":"PUBLISHED","datePublished":"2026-06-29T06:30:08.682Z","dateUpdated":"2026-06-29T10:55:04.918Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-06-28T10:11:42.167Z"},"containers":{"cna":{"title":"Documenso Google OAuth Login handle-oauth-callback-url.ts improper authentication","descriptions":[{"lang":"en","value":"A vulnerability was detected in Documenso up to 2.11.0. 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The pull request to fix this issue awaits acceptance."}],"affected":[{"vendor":"n/a","product":"Documenso","versions":[{"version":"2.0","status":"affected"},{"version":"2.1","status":"affected"},{"version":"2.2","status":"affected"},{"version":"2.3","status":"affected"},{"version":"2.4","status":"affected"},{"version":"2.5","status":"affected"},{"version":"2.6","status":"affected"},{"version":"2.7","status":"affected"},{"version":"2.8","status":"affected"},{"version":"2.9","status":"affected"},{"version":"2.10","status":"affected"},{"version":"2.11.0","status":"affected"}],"cpes":["cpe:2.3:a:documenso:documenso:*:*:*:*:*:*:*:*"],"modules":["Google OAuth Login"]}],"references":[{"url":"https://vuldb.com/vuln/374551","name":"VDB-374551 | Documenso Google OAuth Login handle-oauth-callback-url.ts improper authentication","tags":["vdb-entry"]},{"url":"https://vuldb.com/vuln/374551/cti","name":"VDB-374551 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-13543","name":"CVE-2026-13543 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/842579","name":"Submit #842579 | documenso v2.11.0 Authentication Bypass","tags":["third-party-advisory"]},{"url":"https://github.com/documenso/documenso/issues/2758","tags":["exploit","issue-tracking"]},{"url":"https://github.com/documenso/documenso/pull/2837","tags":["issue-tracking","patch"]},{"url":"https://github.com/documenso/documenso/","tags":["product"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":6.3,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":5.6,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":5.6,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":5.1,"vectorString":"AV:N/AC:H/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-287","type":"CWE","lang":"en","description":"Improper Authentication"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-06-29T06:30:08.682Z"},"timeline":[{"time":"2026-06-28T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-06-28T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-06-28T12:17:06.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"Jeetpal2007 (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-29T10:51:50.370152Z","id":"CVE-2026-13543","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-29T10:55:04.918Z"}}]}}}