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CVE-2026-43190
high
CVSS 8.2
Vulnerability in c (CVE-2026-43190)
Summary
vulnerability in c (CVE-2026-43190). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-43190** has been found in c.
Risk of unauthorized operations or information disclosure. CVSS score: 8.2/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "c CVE-2026-43190" on the vendor's site.
CVE-2026-43190 (c) — CVSS v3 8.2
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: High (CVSS 8.2/10). Risk of unauthorized operations or information disclosure
🔧 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
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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/07a9b32eaae792ff7d0fcac14d8920c937c0a9c3
- web https://git.kernel.org/stable/c/5e13d0a37666955b6cfddc0f73cb40ed645b8a05
- web https://git.kernel.org/stable/c/735ee8582da3d239eb0c7a53adca61b79fb228b3
- web https://git.kernel.org/stable/c/8b300f726640c48c3edfe9c453334dd801f4b74e
- web https://git.kernel.org/stable/c/cd5beda7e0e32865e214f28034bb92c1cecff885
- web https://git.kernel.org/stable/c/eaedc0bc18be46fe7f58170e967959a932c4f824
- web https://git.kernel.org/stable/c/f6c412dcfd76b0516d51aa847d8f4c7b70381b09
- web https://git.kernel.org/stable/c/f895191dc32c53eaf443b6443fe40945b2f92287
- web https://nvd.nist.gov/vuln/detail/CVE-2026-43190
- web https://github.com/advisories/GHSA-395h-h5jq-ggp6