CVE-2026-122139
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. Limited direct impact.
- Exploit odds
- 0.3% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 0.3% in the next 30 days (EPSS).
- Severity: 6.9 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 0.3% · EPSS, next 30 days
- Weakness
- CWE-204
- Record status
- Received
Attack profile CVSS 4.0 · 6.9
- Attack vector
- Network
- Complexity
- Low
- Attack requirements
- None
- Privileges needed
- None
- User interaction
- None
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Raw vector
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
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2026-122139.md and follow it. Check whether this project is affected by CVE-2026-122139. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- 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/releases/tag/v4.3.3
- https://github.com/blueprintue/blueprintue-self-hosted-edition/security/advisories/GHSA-fwgq-c3c6-p67j
References
- https://github.com/blueprintue/blueprintue-self-hosted-edition/blob/v4.3.2/app/middlewares/ForgotPasswordMiddleware.php#L130-L157
- 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/releases/tag/v4.3.3
- https://github.com/blueprintue/blueprintue-self-hosted-edition/security/advisories/GHSA-fwgq-c3c6-p67j
- https://www.vulncheck.com/advisories/blueprintue-self-hosted-edition-before-4.3.3-account-enumeration-via-password-reset