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CVE-2026-43288
Vulnerability in c (CVE-2026-43288)
Summary
vulnerability in c (CVE-2026-43288). Risk of unauthorized operations or information disclosure. Exploitable via ``DOUBLE_CHECK``.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-43288** has been found in c.
Attackers can target a specific entry point like ``DOUBLE_CHECK`` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "c CVE-2026-43288" on the vendor's site.
CVE-2026-43288 (c) —
Attack surface: `DOUBLE_CHECK`
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. Attackers reach the vulnerable code path via ``DOUBLE_CHECK`` without authentication.
📍 Affected scope
c — . Attack surface: `DOUBLE_CHECK`.
🔥 Severity
Severity: ?. 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/0d5fcb063cdabb9aeaa8554b7fedad2092c4150e
- web https://git.kernel.org/stable/c/270564513489d98b721a1e4a10017978d5213bff
- web https://git.kernel.org/stable/c/9e9fb259bcddf459a0168f4a964e979e500a68a5
- web https://git.kernel.org/stable/c/aec095f3cc6cf209effd93278ce35be27db81d73
- web https://git.kernel.org/stable/c/bf5b609524497c195f801cd5707252384aed8149
- web https://nvd.nist.gov/vuln/detail/CVE-2026-43288
- web https://github.com/advisories/GHSA-h57h-m4cv-vwxg