CVE-2026-122139
Dashboard / Vulnerabilities / CVE-2026-122139
Summary: blueprintUE Self-Hosted Edition before 4.3.3 Account Enumeration via Password Reset
Details: 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.
References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/122xxx/CVE-2026-122139.json, https://github.com/blueprintue/blueprintue-self-hosted-edition/releases/tag/v4.3.3, https://github.com/blueprintue/blueprintue-self-hosted-edition/security/advisories/GHSA-fwgq-c3c6-p67j, https://nvd.nist.gov/vuln/detail/CVE-2026-122139, https://www.vulncheck.com/advisories/blueprintue-self-hosted-edition-before-4.3.3-account-enumeration-via-password-reset, https://github.com/blueprintue/blueprintue-self-hosted-edition/commit/45832742182a6c4438a0d58de95ba9c7686851f2, https://github.com/blueprintue/blueprintue-self-hosted-edition/pull/265, https://github.com/blueprintue/blueprintue-self-hosted-edition, https://github.com/blueprintue/blueprintue-self-hosted-edition/blob/v4.3.2/app/middlewares/ForgotPasswordMiddleware.php#L130-L157
Affected packages
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