{"id":"EUVD-2026-103288","enisaUuid":"94ca3bfa-08ab-38fe-807e-3bc7f21ba167","description":"Vikunja 2.6.0 contains a broken access control flaw in getProjectAccessForUser (pkg/models/project_access.go), which resolves a user\u0027s effective project permission as the maximum over the project tree, silently overriding explicit lower-permission shares on sub-projects. A collaborator with write access on a parent project but read-only access to a child project can modify the child project\u0027s tasks and content.","datePublished":"Oct 17, 2026, 6:46:34 PM","dateUpdated":"Oct 18, 2026, 11:17:27 AM","baseScore":5.3,"baseScoreVersion":"4.0","baseScoreVector":"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","references":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-pjr3-86v4-5p7w\nhttps://www.vulncheck.com/advisories/vikunja-2.6.0-broken-access-control-via-inherited-project-permissions\n","aliases":"CVE-2026-111920\nGHSA-r72j-vqhw-6264\n","assigner":"VulnCheck","epss":0.19,"enisaIdProduct":[{"id":"198dbad0-47e3-3d14-adec-8c465748976a","product":{"name":"vikunja","vendor":{"name":"go-vikunja"}},"product_version":"2.6.0"}],"enisaIdVendor":[{"id":"c61f2c28-c665-3ae3-8e8d-3faa435e43fd","vendor":{"name":"go-vikunja"}}],"enisaIdVulnerability":[{"id":"5cd54dec-6699-31a4-a15f-e7a70835dff1","vulnerability":{"id":"GHSA-r72j-vqhw-6264","description":"Vikunja 2.6.0 contains a broken access control flaw in getProjectAccessForUser (pkg/models/project_access.go), which resolves a user\u0027s effective project permission as the maximum over the project tree, silently overriding explicit lower-permission shares on sub-projects. A collaborator with write access on a parent project but read-only access to a child project can modify the child project\u0027s tasks and 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-pjr3-86v4-5p7w\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-111920\nhttps://www.vulncheck.com/advisories/vikunja-2.6.0-broken-access-control-via-inherited-project-permissions\n","enisa_id":"EUVD-2026-103288\n","aliases":"CVE-2026-111920\nGHSA-r72j-vqhw-6264\n","epss":0.0,"dataProcessed":"Oct 27, 2026, 7:03:17 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}},{"id":"842a1808-02b3-39eb-a9f0-f4be7680d3bb","vulnerability":{"id":"CVE-2026-111920","description":"Vikunja 2.6.0 contains a broken access control flaw in getProjectAccessForUser (pkg/models/project_access.go), which resolves a user\u0027s effective project permission as the maximum over the project tree, silently overriding explicit lower-permission shares on sub-projects. A collaborator with write access on a parent project but read-only access to a child project can modify the child project\u0027s tasks and content.","datePublished":"Oct 17, 2026, 6:46:34 PM","dateUpdated":"Oct 18, 2026, 11:17:27 AM","status":"PUBLISHED","baseScore":5.3,"baseScoreVersion":"4.0","baseScoreVector":"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","references":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-pjr3-86v4-5p7w\nhttps://www.vulncheck.com/advisories/vikunja-2.6.0-broken-access-control-via-inherited-project-permissions\n","enisa_id":"EUVD-2026-103288\n","assigner":"VulnCheck","epss":0.19,"dataProcessed":"Oct 27, 2026, 7:14:34 AM","vulnerabilityProduct":[{"id":"dde0e507-1482-3c67-bac5-18e70f0160e2","product":{"name":"vikunja","vendor":{"name":"go-vikunja"}},"product_version":"2.6.0"}],"vulnerabilityVendor":[{"id":"efa54855-4590-35e5-b828-7c162ba6fe67","vendor":{"name":"go-vikunja"}}]}}],"enisaIdAdvisory":[]}