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CVE-2026-40585

7.4 · HIGH

blueprintUE is a tool to help Unreal Engine developers.

Published Apr 21, 2026CWE-640EPSS 0.32%

Overview

CVE-2026-40585 is a high-severity vulnerability. It was published on April 21, 2026 and has a CVSS 3.1 base score of 7.4 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

blueprintUE is a tool to help Unreal Engine developers. Prior to 4.2.0, when a password reset is initiated, a 128-character CSPRNG token is generated and stored alongside a password_reset_at timestamp. However, the token redemption function findUserIDFromEmailAndToken() queries only for a matching email + password_reset token pair — it does not check whether the password_reset_at timestamp has elapsed any maximum window. A generated reset token is valid indefinitely until it is explicitly consumed or overwritten by a subsequent reset request. This vulnerability is fixed in 4.2.0.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/blueprintue/blueprintue-self-hosted-edition/security/advisories/GHSA-qr65-6vp8-whjfGitHubgithub.com/blueprintue/blueprintue-self-hosted-edition/security/advisories/GHSA-qr65-6vp8-whjf

How CyberStrike helps

Frequently asked questions

What is CVE-2026-40585?

CVE-2026-40585 is a high-severity vulnerability. It was published on April 21, 2026 and has a CVSS 3.1 base score of 7.4 (HIGH).

How severe is CVE-2026-40585?

This vulnerability has a CVSS 3.1 base score of 7.4, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-40585?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-40585?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-40585 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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