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CVE-2026-80557
critical
CVSS 9.8
Vulnerability in CVE-2026-80557 (CVE-2026-80557)
Summary
vulnerability in CVE-2026-80557 (CVE-2026-80557). Successful exploitation can lead to full system takeover.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-80557** has been found in CVE-2026-80557.
Successful exploitation can lead to full system takeover. CVSS score: 9.8/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "CVE-2026-80557 CVE-2026-80557" on the vendor's site.
CVE-2026-80557 (CVE-2026-80557) — CVSS v3 9.8
Attack vector: remote (network-reachable) / unauthenticated / 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** (unclassified) exists in CVE-2026-80557.
📍 Affected scope
CVE-2026-80557 — .
🔥 Severity
Severity: Critical (CVSS 9.8/10). 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. Audit SBOM/dependencies 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
Audit SBOM/dependencies for affected components.依存マニフェストで影響コンポーネントを特定する。
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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。
References
- web https://git.kernel.org/stable/c/00ead17c7de137a692edee59f2772e6af687e8eb
- web https://git.kernel.org/stable/c/7130d94846dadbb97b6b7f4d78a3a7bba6e3daa1
- web https://nvd.nist.gov/vuln/detail/CVE-2026-80557
- web https://github.com/advisories/GHSA-j5wf-cpjp-5vx9
- web https://git.kernel.org/stable/c/1c824e7c75bb4adf19553dd4ea944a5d83096be8
- web https://git.kernel.org/stable/c/85479b7d65b4ebcb07fbbe57230976793974ab4a
- web https://git.kernel.org/stable/c/c59219a6b62d74936963983e5815524c3de8dd79
- web https://git.kernel.org/stable/c/cb8246e5846dbbe34930903a90c7a90dd8e5910b
- web https://git.kernel.org/stable/c/eab3eeb68bfc639d74f27256f05546af5c4f787d
- web https://git.kernel.org/stable/c/f161be39201eb5f9b1f58fb8f90b8a9cd3931eb6