{"id":"CVE-2026-126659","summary":"BlueprintUE Self-Hosted Edition 1.0.0 before 4.3.5 Storage Exhaustion via Anonymous Blueprints","details":"BlueprintUE Self-Hosted Edition 1.0.0 before 4.3.5 contains a resource exhaustion vulnerability that allows unauthenticated attackers to fill server storage by repeatedly creating anonymous blueprints. Attackers can send large requests to HomeController::doProcessCreateBlueprint() with a 'never' expiration, bypassing purges to fill the disk and deny service.","aliases":["GHSA-q2vm-p36g-w596"],"modified":"2026-11-12T02:48:36.300676950Z","published":"2026-11-11T12:24:36.624Z","database_specific":{"cwe_ids":["CWE-770"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126659.json","cna_assigner":"VulnCheck"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126659.json"},{"type":"PACKAGE","url":"https://github.com/blueprintue/blueprintue-self-hosted-edition"},{"type":"ARTICLE","url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/blob/v4.3.4/app/controllers/www/HomeController.php#L151-L214"},{"type":"FIX","url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/commit/0709b39851bf58febccf0bc74b88fa86070410de"},{"type":"FIX","url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/pull/268"},{"type":"ADVISORY","url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/releases/tag/v4.3.5"},{"type":"ADVISORY","url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/security/advisories/GHSA-q2vm-p36g-w596"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126659"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/blueprintue-self-hosted-edition-1.0.0-before-4.3.5-storage-exhaustion-via-anonymous-blueprints"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/blueprintue/blueprintue-self-hosted-edition","events":[{"introduced":"52325d2c93c2bc5a2ee2b7d2f1fa45d345e3d610"},{"fixed":"0709b39851bf58febccf0bc74b88fa86070410de"}],"database_specific":{"extracted_events":[{"strategy":"StandardRange","range":[{"introduced":"1.0.0"},{"fixed":"4.3.5"}],"source":"AFFECTED_FIELD"},{"source":"REFERENCES_COMMIT","range":[{"fixed":"0709b39851bf58febccf0bc74b88fa86070410de"}]},{"range":[{"fixed":"0709b39851bf58febccf0bc74b88fa86070410de"}],"source":"REFERENCES_TAG","original_tag":"v4.3.5"}]}}],"versions":["v4.3.4","v4.3.3","v4.3.2","v4.3.1","v4.3.0","v4.2.0","v4.1.2","v4.1.1","v4.1.0","v4.0.0","v3.2.0","v3.1.0","v3.0.0","v2.1.0","v2.0.1","v2.0.0","v1.0.6","v1.0.5","v1.0.4","v1.0.3","v1.0.2","v1.0.1","v1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-126659.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}]}