Mirror-registry: openshift mirror registry: user enumeration via authentication error messages
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-209.
Summary
A flaw was found in the OpenShift Mirror Registry. This vulnerability allows an unauthenticated, remote attacker to enumerate valid usernames and email addresses via different error messages during authentication failures and account creation.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Red Hat | mirror registry for Red Hat OpenShift | — | — | No fix listed | CNA |
| Red Hat | mirror registry for Red Hat OpenShift 2 | — | — | No fix listed | CNA |
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| mirror registry for Red Hat OpenShift | Affected | No fix planned: Will not fix |
| mirror registry for Red Hat OpenShift 2 | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2025-14243
- 2026-10-03 Alias added: GHSA-v9gq-365f-qxxw
References
More Red Hat Mirror Registry For Red Hat Openshift vulnerabilities
- TI-2026-25101 Mirror-registry: remote code execution using pickle deserialization CVSS 3.1HIGH 8.8
- TI-2026-25100 Mirror-registry: quay: insecure direct object reference in blobupload CVSS 3.1HIGH 7.4
- TI-2026-02012 Mirror-registry: quay: quay: server-side request forgery via log export functionality CVSS 3.1MEDIUM 6.5
- TI-2026-25102 Mirror-registry: quay: server-side request forgery in proxy cache upstream registry configuration CVSS 3.1MEDIUM 5.5
Sources
- CVE-2025-14243 · CVE Program
- CVE-2025-14243 · NVD
- FIRST EPSS
- GHSA-v9gq-365f-qxxw · GitHub Advisory Database · CC BY 4.0
- CVE-2025-14243 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences