{"id":"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.","aliases":["GHSA-wc83-79hj-hpmq","GO-2026-4811"],"modified":"2026-04-02T13:27:25.175095Z","published":"2026-03-24T15:21:19.628Z","related":["SUSE-SU-2026:1135-1"],"database_specific":{"cna_assigner":"GitHub_M","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/33xxx/CVE-2026-33474.json","cwe_ids":["CWE-400"]},"references":[{"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"},{"type":"WEB","url":"https://vikunja.io/changelog/vikunja-v2.2.0-was-released"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/go-vikunja/vikunja","events":[{"introduced":"0a7cc2b7df2d837ae295c748d1e9bf7f1a03dfd5"},{"fixed":"b365be1881641dd2791d3dff4c26ad941c13cef6"}],"database_specific":{"versions":[{"introduced":"1.0.0-rc0"},{"fixed":"2.2.0"}]}}],"versions":["v1.0.0","v1.0.0-rc0","v1.0.0-rc1","v1.0.0-rc2","v1.0.0-rc3","v1.0.0-rc4","v1.1.0","v2.0.0","v2.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-33474.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}