← Back
CVE-2026-72299
critical
CVSS 9.8
Vulnerability in c (CVE-2026-72299)
Summary
vulnerability in c (CVE-2026-72299). Successful exploitation can lead to full system takeover.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-72299** has been found in c.
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 "c CVE-2026-72299" on the vendor's site.
CVE-2026-72299 (c) — 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 c.
📍 Affected scope
c — .
🔥 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. 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。
-
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/12876864f9de5fa6f611a30c6c17e405a773bf0a
- web https://git.kernel.org/stable/c/61a55fa24a5d737436018764a647fe5b6cb36371
- web https://git.kernel.org/stable/c/6acbbe54215d5f4251593000cff2bf51d6748713
- web https://git.kernel.org/stable/c/acd7df8d955480a6f6e5bb809da67b1500cc3cf4
- web https://git.kernel.org/stable/c/b9e100815f4b55e9ccaf6af9a3aba173eb13d381
- web https://nvd.nist.gov/vuln/detail/CVE-2026-72299
- web https://github.com/advisories/GHSA-9rp6-pw5h-7mv9
- web https://git.kernel.org/stable/c/258fb15b30db4f3941ab335d5e02f744baf1da54
- web https://git.kernel.org/stable/c/273ff83c49b82e4267373adbe629e6ee8aeaa16c
- web https://git.kernel.org/stable/c/ae5d0d9ce767b20a5580bb6dc5e06f3e1b8a0fb0