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CVE-2025-1098
Vulnerability in k8s.io/ingress-nginx (CVE-2025-1098)
Summary
vulnerability in k8s.io/ingress-nginx (CVE-2025-1098). Successful exploitation can lead to full system takeover.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2025-1098** has been found in k8s.io/ingress-nginx.
Successful exploitation can lead to full system takeover. CVSS score: ?/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "k8s.io/ingress-nginx CVE-2025-1098" on the vendor's site.
CVE-2025-1098 (k8s.io/ingress-nginx) — CWE-15 /
Attack vector: remote (network-reachable) / no user interaction
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
❓ What is the problem
**A vulnerability** (CWE-15) exists in k8s.io/ingress-nginx.
📍 Affected scope
k8s.io/ingress-nginx — .
🔥 Severity
Severity: ?. Successful exploitation can lead to full system takeover
🔧 How to fix
Update to the patched release per vendor advisory.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'k8s.io/ingress-nginx' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
grep -r 'k8s.io/ingress-nginx' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で `k8s.io/ingress-nginx` を grep し、稼働しているサービス・バージョンを把握する。
-
7Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番では Step 3 と同じログクエリでアラート再発が無いか継続監視。
Affected packages
Go
k8s.io/ingress-nginx
[{"type":"SEMVER","events":[{"introduced":"0"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2025-1098
- advisory https://github.com/advisories/GHSA-vg63-w3p9-jc9m
- advisory https://security.netapp.com/advisory/ntap-20250328-0008/
- package https://github.com/kubernetes/ingress-nginx
- report https://github.com/kubernetes/kubernetes/issues/131008
- web https://github.com/kubernetes/ingress-nginx/releases/tag/controller-v1.11.5
- web https://github.com/kubernetes/ingress-nginx/releases/tag/controller-v1.12.1
- web https://groups.google.com/g/kubernetes-security-announce/c/2qa9DFtN0cQ
- web https://security.netapp.com/advisory/ntap-20250328-0008
- web https://www.exploit-db.com/exploits/52475