← Back
CVE-2026-43236
high
CVSS 7.8
Vulnerability in c (CVE-2026-43236)
Summary
vulnerability in c (CVE-2026-43236). Successful exploitation can lead to full system takeover.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-43236** 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-2026-43236" on the vendor's site.
CVE-2026-43236 (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。
-
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/549c6db503dbb85dbff4840830971853feac6625
- web https://git.kernel.org/stable/c/6404898af86d986db1dbbe06177c143e40652e49
- web https://git.kernel.org/stable/c/796e77c14c4c1e2cd36473760fb6cc66c695eb47
- web https://git.kernel.org/stable/c/7b4d0fab3ff2c00c6d34e1952c9df5129a826aee
- web https://git.kernel.org/stable/c/a205740a7231e967ac77cb731171642901c327af
- web https://git.kernel.org/stable/c/ac2d898da5095d46bd1ff8585fdd753d58ad91e7
- web https://git.kernel.org/stable/c/bc847787233277a337788568e90a6ee1557595eb
- web https://git.kernel.org/stable/c/fd4a4d0711f48a99b25bcd45e00eef8339eff82d
- web https://nvd.nist.gov/vuln/detail/CVE-2026-43236
- web https://github.com/advisories/GHSA-j77r-m2hp-2792