{"id":"EUVD-2026-95991","revision":"b9c7da0d721a4161bc053175c1dd8faf","records":[{"revision":"b9c7da0d721a4161bc053175c1dd8faf","observedAt":"2026-11-03T11:10:27.001+00:00","statement":{"source":"euvd","id":"EUVD-2026-95991","aliases":["CVE-2026-57458","GHSA-v3p6-34mc-hj7v"],"title":"Vikunja is an open-source self-hosted task management platform. In version 2.3.0, a scoped API token limited to the `oauth.authorize` permission can call `POST /api/v1/oauth/authorize`, obtain an OAuth authorization code, and exchange the c…","description":"Vikunja is an open-source self-hosted task management platform. In version 2.3.0, a scoped API token limited to the `oauth.authorize` permission can call `POST /api/v1/oauth/authorize`, obtain an OAuth authorization code, and exchange the code at `POST /api/v1/oauth/token` for a normal bearer JSON Web Token (JWT) and refresh token. The resulting credentials are not restricted by the original API token's permissions, allowing access to routes outside its declared scope for the same user. Version 2.4.0 fixes the vulnerability.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","score":8.1,"severity":null}],"references":["https://github.com/go-vikunja/vikunja/security/advisories/GHSA-v3p6-34mc-hj7v","https://github.com/go-vikunja/vikunja/commit/4ae2e093014881052ed8f8ecd8bcb9adf83dd276","https://github.com/go-vikunja/vikunja/releases/tag/v2.4.0"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-95991","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Oct 9, 2026, 8:46:29 PM","dateUpdated":"Oct 13, 2026, 6:32:34 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-95991","identifiers":["EUVD-2026-95991","CVE-2026-57458","GHSA-v3p6-34mc-hj7v"]},"retained":false,"historicalAffected":[]}],"coverage":[]}