{"id":"EUVD-2026-103304","enisaUuid":"8879c141-ff90-3d59-81e3-a857770c6768","description":"Vikunja 2.3.0 before 2.7.0 contains an improper session validation vulnerability that allows attackers to keep WebSocket access after revocation because handleAuth never checks the JWT sid claim against the sessions table. Attackers holding a stolen access token can open or maintain connections to /api/v2/ws after session deletion or TOTP enrollment, continuing to receive the victim\u0027s notification.created pushes, including comment, task and project content.","datePublished":"Oct 17, 2026, 6:46:32 PM","dateUpdated":"Oct 19, 2026, 2:59:06 PM","baseScore":7.1,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","references":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-4hv6-xc92-j86g\nhttps://www.vulncheck.com/advisories/vikunja-2.3.0-before-2.7.0-websocket-authentication-ignores-session-revocation\n","aliases":"CVE-2026-111917\nGHSA-355w-rx9g-pww7\n","assigner":"VulnCheck","epss":0.36,"enisaIdProduct":[{"id":"fca2343a-937f-3182-af3b-30e61375bc45","product":{"name":"vikunja","vendor":{"name":"go-vikunja"}},"product_version":"2.3.0 \u003c2.7.0"}],"enisaIdVendor":[{"id":"f406403b-8454-34d7-bdbb-348c8ba49744","vendor":{"name":"go-vikunja"}}],"enisaIdVulnerability":[{"id":"97b80dc7-2019-3198-9785-d77f2e57fd10","vulnerability":{"id":"GHSA-355w-rx9g-pww7","description":"Vikunja 2.3.0 before 2.7.0 contains an improper session validation vulnerability that allows attackers to keep WebSocket access after revocation because handleAuth never checks the JWT sid claim against the sessions table. Attackers holding a stolen access token can open or maintain connections to /api/v2/ws after session deletion or TOTP enrollment, continuing to receive the victim\u0027s notification.created pushes, including comment, task and project content.","datePublished":"Oct 17, 2026, 9:31:19 PM","dateUpdated":"Oct 17, 2026, 9:31:19 PM","baseScore":0.0,"references":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-4hv6-xc92-j86g\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-111917\nhttps://www.vulncheck.com/advisories/vikunja-2.3.0-before-2.7.0-websocket-authentication-ignores-session-revocation\n","enisa_id":"EUVD-2026-103304\n","aliases":"GHSA-355w-rx9g-pww7\nCVE-2026-111917\n","epss":0.0,"dataProcessed":"Oct 27, 2026, 7:03:17 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}},{"id":"e20255d9-a6b0-3e95-8476-95d63c3c3c4c","vulnerability":{"id":"CVE-2026-111917","description":"Vikunja 2.3.0 before 2.7.0 contains an improper session validation vulnerability that allows attackers to keep WebSocket access after revocation because handleAuth never checks the JWT sid claim against the sessions table. Attackers holding a stolen access token can open or maintain connections to /api/v2/ws after session deletion or TOTP enrollment, continuing to receive the victim\u0027s notification.created pushes, including comment, task and project content.","datePublished":"Oct 17, 2026, 6:46:32 PM","dateUpdated":"Oct 19, 2026, 2:59:06 PM","status":"PUBLISHED","baseScore":7.1,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","references":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-4hv6-xc92-j86g\nhttps://www.vulncheck.com/advisories/vikunja-2.3.0-before-2.7.0-websocket-authentication-ignores-session-revocation\n","enisa_id":"EUVD-2026-103304\n","assigner":"VulnCheck","epss":0.36,"dataProcessed":"Oct 27, 2026, 7:14:34 AM","vulnerabilityProduct":[{"id":"5d64a9a5-a66f-3b7f-b412-27f9d03ca385","product":{"name":"vikunja","vendor":{"name":"go-vikunja"}},"product_version":"2.3.0 \u003c2.7.0"}],"vulnerabilityVendor":[{"id":"cf2d96d4-19ef-36a3-8a4c-42317c213228","vendor":{"name":"go-vikunja"}}]}}],"enisaIdAdvisory":[]}