CVE-2026-40585

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.

• CWE-640

• https://github.com/blueprintue/blueprintue-self-hosted-edition/security/advisories/GHSA-qr65-6vp8-whjf
• https://github.com/blueprintue/blueprintue-self-hosted-edition/security/advisories/GHSA-qr65-6vp8-whjf

Published

Apr 21, 2026

Last Modified

Jun 17, 2026

Status

Deferred

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