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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00648.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
blueprintue blueprintue-self-hosted-edition unaffected
Version Status Constraints
1.0.0 affected < 4.3.5
4.3.5 unaffected —

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/blueprintue/blueprintue-self-hosted-edition/blob/v4.3.4/app/controllers/www/HomeController.php#L151-L214 cve-icon cve-icon
https://github.com/blueprintue/blueprintue-self-hosted-edition/commit/0709b39851bf58febccf0bc74b88fa86070410de cve-icon cve-icon
https://github.com/blueprintue/blueprintue-self-hosted-edition/pull/268 cve-icon cve-icon
https://github.com/blueprintue/blueprintue-self-hosted-edition/releases/tag/v4.3.5 cve-icon cve-icon
https://github.com/blueprintue/blueprintue-self-hosted-edition/security/advisories/GHSA-q2vm-p36g-w596 cve-icon cve-icon
https://www.vulncheck.com/advisories/blueprintue-self-hosted-edition-1.0.0-before-4.3.5-storage-exhaustion-via-anonymous-blueprints cve-icon cve-icon
History

Wed, 11 Nov 2026 12:45:00 +0000

Type Values Removed Values Added
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.
Title BlueprintUE Self-Hosted Edition 1.0.0 before 4.3.5 Storage Exhaustion via Anonymous Blueprints
Weaknesses CWE-770
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-11T12:24:36.624Z

Reserved: 2026-11-11T11:58:26.643Z

Link: CVE-2026-126659

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-11T13:17:24.167

Modified: 2026-11-11T13:17:24.167

Link: CVE-2026-126659

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-12T01:00:09Z

Weaknesses