CVE-2026-122139 json
blueprintUE Self-Hosted Edition before 4.3.3 Account Enumeration via Password Reset
published 5d ago modified 9h ago also EUVD-2026-117093
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 28%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- blueprintue blueprintue-self-hosted-edition 4.3.3
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- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 9h ago
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 6.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N |
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| CNA | 4.0 | 6.9 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
Affected products
- blueprintue blueprintue-self-hosted-edition
Classification
- Weakness
-
- CWE-204 Observable Response Discrepancy
References
-
github.com
/blueprintue/blueprintue-self-hosted-edition/commit/45832742182a6c4438a0d58de95ba9c7686851f2
patch
-
github.com
/blueprintue/blueprintue-self-hosted-edition/pull/265
patch, issue-tracking
-
github.com
/blueprintue/blueprintue-self-hosted-edition/security/advisories/GHSA-fwgq-c3c6-p67j
vendor-advisory
-
github.com
/blueprintue/blueprintue-self-hosted-edition/releases/tag/v4.3.3
release-notes
-
github.com
/blueprintue/blueprintue-self-hosted-edition/blob/v4.3.2/app/middlewares/ForgotPasswordMiddleware.php#L130-L15
technical-description
-
vulncheck.com
/advisories/blueprintue-self-hosted-edition-before-4.3.3-account-enumeration-via-password-reset
third-party-advisory
Sources
- CVE List CVE-2026-122139
- NVD CVE-2026-122139
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