ingress-nginx controller - auth secret file path traversal vulnerability
Priority LOW 28CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- Low · None · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub.
Summary
A security issue was discovered in ingress-nginx https://github.com/kubernetes/ingress-nginx where attacker-provided data are included in a filename by the ingress-nginx Admission Controller feature, resulting in directory traversal within the container. This could result in denial of service, or when combined with other vulnerabilities, limited disclosure of Secret objects from the cluster.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.03331 88th percentileScored 2026-11-07
Fix Fixed k8s.io/ingress-nginx (Go): 1.11.5, 1.12.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- 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 |
|---|---|---|---|---|---|
| Kubernetes | ingress-nginx | up to 1.11.4; 1.12.0 | — | No fix listed | CNA |
| — | k8s.io/ingress-nginx (Go) | before 1.11.5 | 1.11.5 | Patch available | GHSA-242m-6h72-7hgp |
| — | k8s.io/ingress-nginx (Go) | 1.12.0-beta.0 to before 1.12.1 | 1.12.1 | Patch available | GHSA-242m-6h72-7hgp |
- ingress-nginx VendorKubernetes Affected up to 1.11.4; 1.12.0 Fixed in — No fix listed CNA
- k8s.io/ingress-nginx (Go) Vendor— Affected before 1.11.5 Fixed in 1.11.5 Patch available GHSA-242m-6h72-7hgp
- k8s.io/ingress-nginx (Go) Vendor— Affected 1.12.0-beta.0 to before 1.12.1 Fixed in 1.12.1 Patch available GHSA-242m-6h72-7hgp
Remediation
- Fix · GHSA-242m-6h72-7hgp k8s.io/ingress-nginx (Go) Fixed in 1.11.5 Advisory →
- Fix · GHSA-242m-6h72-7hgp k8s.io/ingress-nginx (Go) Fixed in 1.12.1 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2025-24513
- 2026-10-03 Alias added: GHSA-242m-6h72-7hgp
References
Other 6
- https://github.com/kubernetes/kubernetes/issues/131005
- https://github.com/kubernetes/ingress-nginx
- https://github.com/kubernetes/ingress-nginx/releases/tag/controller-v1.11.5
- https://github.com/kubernetes/ingress-nginx/releases/tag/controller-v1.12.1
- https://groups.google.com/g/kubernetes-security-announce/c/2qa9DFtN0cQ
- https://security.netapp.com/advisory/ntap-20250328-0008
More Kubernetes vulnerabilities
- TI-2025-01719 ingress-nginx admission controller RCE escalation CVSS 3.1CRITICAL 9.8
- TI-2018-16130 Improper privilege management in Kubernetes CVSS 3.0CRITICAL 9.8
- TI-2025-00932 ingress-nginx controller - configuration injection via unsanitized mirror annotations CVSS 3.1HIGH 8.8
- TI-2019-08418 Kubernetes kubelet exposes /debug/pprof info on healthz port CVSS 3.1HIGH 8.2
- TI-2026-02839 ingress-nginx rewrite-target nginx configuration injection CVSS 3.1HIGH 8.8
- TI-2025-18233 ingress-nginx controller - configuration injection via unsanitized auth-url annotation CVSS 3.1HIGH 8.8
Sources
- CVE-2025-24513 · CVE Program
- CVE-2025-24513 · NVD
- FIRST EPSS
- GHSA-242m-6h72-7hgp · GitHub Advisory Database · CC BY 4.0
- CVE-2025-24513 · Red Hat security data · CC BY 4.0
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