CVE-2026-122139
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductBlueprintue-self-hosted-edition
PublishedNov 4, 2026
First seenNov 4, 2026
Weakness typeCWE-204CWE-204
How to fix
Update
- blueprintue blueprintue-self-hosted-edition4.3.3 or later
Patches
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| blueprintue blueprintue-self-hosted-edition | v < 4.3.3 | 4.3.3 |
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