{"id":"CVE-2026-33312","state":"PUBLISHED","title":"Read-only Vikunja users can delete project background images via broken object-level authorization","description":"Vikunja is an open-source self-hosted task management platform. Starting in version 0.20.2 and prior to version 2.2.0, the `DELETE /api/v1/projects/:project/background` endpoint checks `CanRead` permission instead of `CanUpdate`, allowing any user with read-only access to a project to permanently delete its background image. Version 2.2.0 fixes the issue.","publishedAt":"2026-03-20T14:42:14.137Z","updatedAt":"2026-03-20T19:24:20.400Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["go-vikunja vikunja"],"affected":[{"vendor":"go-vikunja","product":"vikunja","versions":[{"version":">= 0.20.2, < 2.2.0","status":"affected"}]}],"references":["https://github.com/go-vikunja/vikunja/security/advisories/GHSA-564f-wx8x-878h","https://vikunja.io/changelog/vikunja-v2.2.0-was-released"],"weaknesses":["CWE-863"],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/33xxx/CVE-2026-33312.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-33312","state":"PUBLISHED","datePublished":"2026-03-20T14:42:14.137Z","dateUpdated":"2026-03-20T19:24:20.400Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-03-18T21:23:36.676Z"},"containers":{"cna":{"title":"Read-only Vikunja users can delete project background images via broken object-level authorization","descriptions":[{"lang":"en","value":"Vikunja is an open-source self-hosted task management platform. Starting in version 0.20.2 and prior to version 2.2.0, the `DELETE /api/v1/projects/:project/background` endpoint checks `CanRead` permission instead of `CanUpdate`, allowing any user with read-only access to a project to permanently delete its background image. Version 2.2.0 fixes the issue."}],"affected":[{"vendor":"go-vikunja","product":"vikunja","versions":[{"version":">= 0.20.2, < 2.2.0","status":"affected"}]}],"references":[{"url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-564f-wx8x-878h","name":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-564f-wx8x-878h","tags":["x_refsource_CONFIRM"]},{"url":"https://vikunja.io/changelog/vikunja-v2.2.0-was-released","name":"https://vikunja.io/changelog/vikunja-v2.2.0-was-released","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-863","lang":"en","description":"CWE-863: Incorrect Authorization","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-03-20T14:42:14.137Z"},"source":{"advisory":"GHSA-564f-wx8x-878h","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-20T19:23:32.910678Z","id":"CVE-2026-33312","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":"2026-03-20T19:24:20.400Z"}}]}}}