{"id":"CVE-2026-111919","state":"PUBLISHED","title":"Vikunja 0.22.0 before 2.7.0 Improper Access Revocation via Webhooks","description":"Vikunja 0.22.0 before 2.7.0 contains an improper access revocation vulnerability that allows removed collaborators to keep receiving project data through webhooks they created. Former collaborators keep receiving task titles and descriptions through their webhook, including content created after their access was revoked.","publishedAt":"2026-10-17T18:46:33.951Z","updatedAt":"2026-10-19T21:34:42.072Z","severity":{"score":7.1,"label":"High","version":"4.0","vector":"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","source":"VulnCheck"},"assigner":"VulnCheck","products":["go-vikunja vikunja"],"affected":[{"vendor":"go-vikunja","product":"vikunja","packageURL":"pkg:golang/code.vikunja.io/api","defaultStatus":"unaffected","versions":[{"version":"0.22.0","status":"affected","lessThan":"2.7.0","versionType":"semver"},{"version":"2.7.0","status":"unaffected","versionType":"semver"}]}],"references":["https://github.com/go-vikunja/vikunja/security/advisories/GHSA-hjx8-qv73-f7cm","https://www.vulncheck.com/advisories/vikunja-0.22.0-before-2.7.0-improper-access-revocation-via-webhooks"],"weaknesses":["CWE-613"],"ingestedAt":"2026-10-29T20:10:33.477Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/111xxx/CVE-2026-111919.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-111919","state":"PUBLISHED","datePublished":"2026-10-17T18:46:33.951Z","dateUpdated":"2026-10-19T21:34:42.072Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-17T12:18:55.463Z"},"containers":{"cna":{"title":"Vikunja 0.22.0 before 2.7.0 Improper Access Revocation via Webhooks","descriptions":[{"lang":"en","value":"Vikunja 0.22.0 before 2.7.0 contains an improper access revocation vulnerability that allows removed collaborators to keep receiving project data through webhooks they created. Former collaborators keep receiving task titles and descriptions through their webhook, including content created after their access was revoked."}],"affected":[{"vendor":"go-vikunja","product":"vikunja","packageURL":"pkg:golang/code.vikunja.io/api","defaultStatus":"unaffected","versions":[{"version":"0.22.0","status":"affected","lessThan":"2.7.0","versionType":"semver"},{"version":"2.7.0","status":"unaffected","versionType":"semver"}]}],"references":[{"url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-hjx8-qv73-f7cm","tags":["vendor-advisory"],"name":"GitHub Security Advisory (GHSA-hjx8-qv73-f7cm)"},{"url":"https://www.vulncheck.com/advisories/vikunja-0.22.0-before-2.7.0-improper-access-revocation-via-webhooks","name":"VulnCheck Advisory: Vikunja 0.22.0 before 2.7.0 Improper Access Revocation via Webhooks","tags":["third-party-advisory"]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"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","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":7.1,"baseSeverity":"HIGH"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-613","lang":"en","description":"Insufficient Session Expiration","type":"CWE"}]}],"providerMetadata":{"shortName":"VulnCheck","orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateUpdated":"2026-10-17T18:46:33.951Z"},"datePublic":"2026-10-03T00:00:00.000Z","cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:vikunja:vikunja:*:*:*:*:*:*:*:*","versionStartIncluding":"0.22.0","versionEndExcluding":"2.7.0"}]}]}],"credits":[{"lang":"en","value":"euriconicacio","type":"reporter"},{"lang":"en","value":"Tan-JunWei","type":"reporter"}],"x_generator":{"engine":"vulncheck-endgame"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-hjx8-qv73-f7cm","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-19T21:34:12.848229Z","id":"CVE-2026-111919","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":"2026-10-19T21:34:42.072Z"}}]}}}