What is CVE-2026-40585?

CVE-2026-40585 is a high-severity vulnerability in Blueprintue Blueprintue-self-hosted-edition, classified under Weak Password Recovery Mechanism for Forgotten Password. CVSS score: 7.4/10. Published 2026-04-21.

How severe is CVE-2026-40585?

High severity. CVSS v3 base score is 7.4 out of 10.

Vulnerability in Blueprintue Blueprintue-self-hosted-edition

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 functio…

EPSS: 0.000 (13.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Blueprintue Blueprintue-self-hosted-edition — versions < 4.2.0

Weakness classification (CWE)

CWE-640 — Weak Password Recovery Mechanism for Forgotten Password

References

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

Frequently asked questions

What is CVE-2026-40585?: CVE-2026-40585 is a high-severity vulnerability in Blueprintue Blueprintue-self-hosted-edition, classified under Weak Password Recovery Mechanism for Forgotten Password. CVSS score: 7.4/10. Published 2026-04-21.
How severe is CVE-2026-40585?: High severity. CVSS v3 base score is 7.4 out of 10.