{"id":"CVE-2026-33474","aliases":["GHSA-wc83-79hj-hpmq","GO-2026-4811"],"url":"https://o3.security/vulnerability/CVE-2026-33474","summary":"Vikunja Affected by DoS via Image Preview Generation","details":"Vikunja is an open-source self-hosted task management platform. Starting in version 1.0.0-rc0 and prior to version 2.2.0, unbounded image decoding and resizing during preview generation lets an attacker exhaust CPU and memory with highly compressed but extremely large-dimension images. Version 2.2.0 patches the issue.","published":"2026-03-24T15:21:19.628Z","modified":"2026-08-07T11:31:33.574215680Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"code.vikunja.io/api","fixedVersion":"2.2.0"}],"fix":null,"references":[{"type":"WEB","url":"https://vikunja.io/changelog/vikunja-v2.2.0-was-released"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33474.json"},{"type":"ADVISORY","url":"https://github.com/go-vikunja/vikunja/security/advisories/GHSA-wc83-79hj-hpmq"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33474"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:31:33.574215680Z"}}