{"id":"CVE-2026-126659","aliases":["EUVD-2026-123403","GHSA-q2vm-p36g-w596"],"status":"published","title":"BlueprintUE Self-Hosted Edition 1.0.0 before 4.3.5 Storage Exhaustion via Anonymous Blueprints","description":"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.","severity":{"version":"4.0","score":8.7,"vector":"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-14","score":0.00648,"percentile":0.5165,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-770"],"published":"2026-11-11T12:24:36Z","modified":"2026-11-13T02:47:07Z","products":[{"vendor":"blueprintue","product":"blueprintue-self-hosted-edition"}],"references":[{"url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/security/advisories/GHSA-q2vm-p36g-w596","tags":["vendor-advisory","advisory"]},{"url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/commit/0709b39851bf58febccf0bc74b88fa86070410de","tags":["patch","fix"]},{"url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/pull/268","tags":["patch","issue-tracking","fix"]},{"url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/releases/tag/v4.3.5","tags":["release-notes","advisory"]},{"url":"https://github.com/blueprintue/blueprintue-self-hosted-edition/blob/v4.3.4/app/controllers/www/HomeController.php#L151-L214","tags":["technical-description","article"]},{"url":"https://www.vulncheck.com/advisories/blueprintue-self-hosted-edition-1.0.0-before-4.3.5-storage-exhaustion-via-anonymous-blueprints","tags":["third-party-advisory","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126659.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-126659","tags":["advisory"]},{"url":"https://github.com/blueprintue/blueprintue-self-hosted-edition","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-126659","title":"BlueprintUE Self-Hosted Edition 1.0.0 before 4.3.5 Storage Exhaustion via Anonymous Blueprints","description":"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.","status":"published","published":"2026-11-11T12:24:36.624Z","modified":"2026-11-12T17:57:44.193Z","cvss":[{"version":"4.0","score":8.7,"vector":"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","level":"high","assessor":"cna"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-770"],"updated_at":"2026-11-11T13:28:05.136075Z"}],"euvd":[{"id":"EUVD-2026-123403","description":"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.","status":"published","published":"2026-11-11T12:24:36Z","modified":"2026-11-12T17:57:44Z","cvss":[{"version":"4.0","score":8.7,"vector":"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","level":"high"}],"updated_at":"2026-11-11T13:28:41.36221Z"}],"nvd":[{"id":"CVE-2026-126659","description":"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.","status":"published","published":"2026-11-11T13:17:24.167Z","modified":"2026-11-12T21:36:06.743Z","cvss":[{"version":"4.0","score":8.7,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-770"],"updated_at":"2026-11-12T19:32:19.423888Z"}],"osv":[{"id":"CVE-2026-126659","title":"BlueprintUE Self-Hosted Edition 1.0.0 before 4.3.5 Storage Exhaustion via Anonymous Blueprints","description":"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.","status":"published","published":"2026-11-11T12:24:36.624Z","modified":"2026-11-14T02:30:29.771184564Z","cvss":[{"version":"4.0","score":8.7,"vector":"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","level":"high"}],"cwes":["CWE-770"],"updated_at":"2026-11-13T02:57:32.2543Z"}]}}