CVE-2026-122139

MEDIUMCVSS 5.3/10

Last modified

CVE-2026-122139 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. blueprintUE Self-Hosted Edition before 4.3.3 contains an account enumeration vulnerability in ForgotPasswordMiddleware.php that allows unauthenticated attackers to identify registered email addresses. Attackers can compare password reset redirect targets for submitted emails, and failed lookups are never rate-limited, enabling unlimited enumeration attempts..

Description

blueprintUE Self-Hosted Edition before 4.3.3 contains an account enumeration vulnerability in ForgotPasswordMiddleware.php that allows unauthenticated attackers to identify registered email addresses. Attackers can compare password reset redirect targets for submitted emails, and failed lookups are never rate-limited, enabling unlimited enumeration attempts.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
blueprintueblueprintue-self-hosted-edition< 4.3.3

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-122139?
blueprintUE Self-Hosted Edition before 4.3.3 contains an account enumeration vulnerability in ForgotPasswordMiddleware.php that allows unauthenticated attackers to identify registered email addresses. Attackers can compare password reset redirect targets for submitted emails, and failed lookups are never rate-limited, enabling unlimited enumeration attempts.
How severe is CVE-2026-122139?
CVE-2026-122139 has a CVSS score of 5.3/10 (MEDIUM severity).
How do I fix CVE-2026-122139?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST