{"id":"CVE-2026-123502","title":"Vikunja before 2.7.1 Link-Share Hash Exposure via Request Path Logging","summary":"Vikunja before 2.7.1 contains an information exposure vulnerability that allows log readers to obtain link-share hashes because the request logger records the raw URI of the /shares/:share/auth route. Attackers with access to Vikunja or …","severity":"medium","cvss":5.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:L/A:N","cvssSource":"cna","cwe":["CWE-532"],"vendor":"go-vikunja","product":"vikunja","affected":["vikunja < 2.7.1"],"published":"2026-11-08","updated":"2026-11-08","sourceUpdated":"2026-11-08T01:37:18.393Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-123502","references":[{"url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-ff52-3296-2fvr","label":"GitHub Security Advisory (GHSA-ff52-3296-2fvr)"},{"url":"https://www.vulncheck.com/advisories/vikunja-before-2.7.1-link-share-hash-exposure-via-request-path-logging","label":"VulnCheck Advisory: Vikunja before 2.7.1 Link-Share Hash Exposure via Request Path Logging"}],"tags":["cve.org"],"ingestedAt":"2026-11-08T02:43:18.700Z","slug":"CVE-2026-123502","body":"## Overview\n\nVikunja before 2.7.1 contains an information exposure vulnerability that allows log readers to obtain link-share hashes because the request logger records the raw URI of the /shares/:share/auth route. Attackers with access to Vikunja or reverse proxy access logs can reuse non-expiring, non-password-protected share hashes to obtain a project JWT with read, write or admin permission.\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":29,"depthScoreParts":{"impact":28.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}