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CVE-2026-64581
high
CVSS 7.8
Vulnerability in c (CVE-2026-64581)
Summary
vulnerability in c (CVE-2026-64581). Successful exploitation can lead to full system takeover.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-64581** has been found in c.
Successful exploitation can lead to full system takeover. CVSS score: 7.8/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "c CVE-2026-64581" on the vendor's site.
CVE-2026-64581 (c) — CVSS v3 7.8
Attack vector: local / 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 c.
📍 Affected scope
c — .
🔥 Severity
Severity: High (CVSS 7.8/10). 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. Run `grep -r 'c' .` 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
-
1Identify exposure identify
grep -r 'c' . | 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 `c` を grep し、稼働しているサービス・バージョンを把握する。
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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/96b678d08268b5f5c6fc99d4289d9b7e334fc683
- web https://git.kernel.org/stable/c/c283e9ada7fcb7dd4b10592623086b2e6d2f9925
- web https://nvd.nist.gov/vuln/detail/CVE-2026-64581
- web https://github.com/advisories/GHSA-7q3m-x568-mpcp
- web https://git.kernel.org/stable/c/0ea8f06454012d9e7f9c6e6253df710949bf6294
- web https://git.kernel.org/stable/c/8dd8929b71c4f06c614f8f54c2cc070453faae16
- web https://git.kernel.org/stable/c/a9340ebdc13f8bb5063c0bc0b037ee7e640d4ae9
- web https://git.kernel.org/stable/c/e8686fd8d18b99f3a9038683045b2f2338a7706d
- web https://git.kernel.org/stable/c/f0ab9a71167bae308e05ab13b65e2007504a603f
- web https://git.kernel.org/stable/c/f833821e4b52ab6335d443ede5fb79c38e61d19a