{"id":"CVE-2026-123513","title":"Vikunja before 2.7.1 Auth Token Leak via API URL Change","summary":"Vikunja before 2.7.1 contains a credential exposure vulnerability that allows attackers to steal stored auth tokens by inducing users to switch the frontend API URL. Because checkAndSetApiUrl leaves origin-independent localStorage tokens…","severity":"medium","cvss":6.8,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N","cvssSource":"cna","cwe":["CWE-201"],"vendor":"go-vikunja","product":"vikunja","affected":["vikunja < 2.7.1"],"published":"2026-11-08","updated":"2026-11-08","sourceUpdated":"2026-11-08T01:37:25.882Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-123513","references":[{"url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-rj93-wmch-2crq","label":"GitHub Security Advisory (GHSA-rj93-wmch-2crq)"},{"url":"https://www.vulncheck.com/advisories/vikunja-before-2.7.1-auth-token-leak-via-api-url-change","label":"VulnCheck Advisory: Vikunja before 2.7.1 Auth Token Leak via API URL Change"}],"tags":["cve.org"],"ingestedAt":"2026-11-08T02:43:18.695Z","slug":"CVE-2026-123513","body":"## Overview\n\nVikunja before 2.7.1 contains a credential exposure vulnerability that allows attackers to steal stored auth tokens by inducing users to switch the frontend API URL. Because checkAndSetApiUrl leaves origin-independent localStorage tokens in place, the bearer token and desktop OAuth refresh token are sent to the attacker's server, enabling account takeover.\n\n## Affected\n\n- `vikunja < 2.7.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":37,"depthScoreParts":{"impact":37.4,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}