What is CVE-2026-40588?

CVE-2026-40588 is a high-severity vulnerability in Blueprintue Blueprintue-self-hosted-edition, classified under CWE-620. CVSS score: 8.1/10. Published 2026-04-21.

How severe is CVE-2026-40588?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Blueprintue Blueprintue-self-hosted-edition

CVE-2026-40588

blueprintUE is a tool to help Unreal Engine developers. Prior to 4.2.0, the password change form at /profile/{slug}/edit/ does not include a current_password field and does not verify the user's existing password before accepting a new one…

EPSS: 0.000 (11.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/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-620

References

https://github.com/blueprintue/blueprintue-self-hosted-edition/security/advisories/GHSA-73f2-p9jr-m44x (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-40588?: CVE-2026-40588 is a high-severity vulnerability in Blueprintue Blueprintue-self-hosted-edition, classified under CWE-620. CVSS score: 8.1/10. Published 2026-04-21.
How severe is CVE-2026-40588?: High severity. CVSS v3 base score is 8.1 out of 10.