{"id":"EUVD-2026-78646","enisaUuid":"f115fd31-f177-3886-a337-21726b076759","description":"Vikunja versions before 2.6.0 contain a resource exhaustion vulnerability in the Planka migrator that fails to enforce aggregate memory budgets during migration jobs. Authenticated attackers can submit migration requests pointing to attacker-controlled servers advertising numerous size-compliant attachments, exhausting worker memory and causing denial of service for all users.","datePublished":"Sep 15, 2026, 3:18:21 PM","dateUpdated":"Sep 15, 2026, 4:02:52 PM","baseScore":7.1,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","references":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-wq92-8x3r-fm38\nhttps://www.vulncheck.com/advisories/vikunja-before-2.6.0-resource-exhaustion-via-planka-migration\n","aliases":"CVE-2026-91970\nGHSA-c2g7-39fr-cp8q\nGHSA-wq92-8x3r-fm38\n","assigner":"VulnCheck","epss":0.38,"enisaIdProduct":[{"id":"3b5b5d0d-d8e7-3471-99fb-75045986edbc","product":{"name":"vikunja","vendor":{"name":"go-vikunja"}},"product_version":"0 \u003c2.6.0"}],"enisaIdVendor":[{"id":"da0d9549-055e-3bb0-b64d-b413113b59e0","vendor":{"name":"go-vikunja"}}],"enisaIdVulnerability":[{"id":"3bcfb59c-447d-3b51-85b8-aa02a76310ac","vulnerability":{"id":"CVE-2026-91970","description":"Vikunja versions before 2.6.0 contain a resource exhaustion vulnerability in the Planka migrator that fails to enforce aggregate memory budgets during migration jobs. Authenticated attackers can submit migration requests pointing to attacker-controlled servers advertising numerous size-compliant attachments, exhausting worker memory and causing denial of service for all users.","datePublished":"Sep 15, 2026, 3:18:21 PM","dateUpdated":"Sep 15, 2026, 4:02:52 PM","status":"PUBLISHED","baseScore":7.1,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","references":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-wq92-8x3r-fm38\nhttps://www.vulncheck.com/advisories/vikunja-before-2.6.0-resource-exhaustion-via-planka-migration\n","enisa_id":"EUVD-2026-78646\n","assigner":"VulnCheck","epss":0.38,"dataProcessed":"Nov 1, 2026, 7:18:05 AM","vulnerabilityProduct":[{"id":"29af6014-e7ad-3586-8bf6-ccf128975b7b","product":{"name":"vikunja","vendor":{"name":"go-vikunja"}},"product_version":"0 \u003c2.6.0"}],"vulnerabilityVendor":[{"id":"541cb777-483c-3a8e-a92f-7f4890743cd1","vendor":{"name":"go-vikunja"}}]}},{"id":"57bc654e-b322-3d78-8e5a-dc520b3d0d8d","vulnerability":{"id":"GHSA-wq92-8x3r-fm38","description":"Vikunja: Planka migration retains an unbounded aggregate of attacker-served attachments and can OOM the API","datePublished":"Oct 9, 2026, 8:53:24 PM","dateUpdated":"Oct 9, 2026, 8:53:24 PM","baseScore":0.0,"references":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-wq92-8x3r-fm38\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-91970\nhttps://github.com/go-vikunja/vikunja/pull/3688\nhttps://github.com/go-vikunja/vikunja\nhttps://github.com/go-vikunja/vikunja/releases/tag/v2.6.0\nhttps://www.vulncheck.com/advisories/vikunja-before-2.6.0-resource-exhaustion-via-planka-migration\n","enisa_id":"EUVD-2026-78646\n","aliases":"GHSA-wq92-8x3r-fm38\nCVE-2026-91970\n","epss":0.0,"dataProcessed":"Nov 1, 2026, 2:07:07 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}},{"id":"a3ba54b7-0787-3264-963d-85a12d9d1991","vulnerability":{"id":"GHSA-c2g7-39fr-cp8q","description":"Duplicate Advisory: Vikunja: Planka migration retains an unbounded aggregate of attacker-served attachments and can OOM the API","datePublished":"Sep 15, 2026, 6:32:30 PM","dateUpdated":"Oct 9, 2026, 8:53:17 PM","baseScore":0.0,"references":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-wq92-8x3r-fm38\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-91970\nhttps://www.vulncheck.com/advisories/vikunja-before-2.6.0-resource-exhaustion-via-planka-migration\n","enisa_id":"EUVD-2026-78646\n","aliases":"GHSA-c2g7-39fr-cp8q\n","epss":0.0,"dataProcessed":"Nov 1, 2026, 2:05:47 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}}],"enisaIdAdvisory":[]}