cvedb.io
CVE-2026-40587
MEDIUM · CVSS 6.5
EPSS exploitation probability: 0%
Published 2026-04-21T18:16:51.073 · Last modified 2026-06-17T10:45:29.597

Summary

blueprintUE is a tool to help Unreal Engine developers. Prior to 4.2.0, when a user changes their password via the profile edit page, or when a password reset is completed via the reset link, neither operation invalidates existing authenticated sessions for that user. A server-side session store associates userID → session; the current password change/reset flow updates only the password column in the users table and does not destroy or mark invalid any active sessions. As a result, an attacker who has already compromised a session retains full access to the account indefinitely — even after the legitimate user has detected the intrusion and changed their password — until the session's natural expiry time (configured as SESSION_GC_MAXLIFETIME, defaulting to 86400 seconds / 24 hours, with S

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.