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CVE-2026-23474
medium
CVSS 5.5
Vulnerability in c (CVE-2026-23474)
Summary
vulnerability in c (CVE-2026-23474). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-23474** has been found in c.
Risk of unauthorized operations or information disclosure. CVSS score: 5.5/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "c CVE-2026-23474" on the vendor's site.
CVE-2026-23474 (c) — CVSS v3 5.5
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: Medium (CVSS 5.5/10). 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
-
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/0b08be5aca212a99f8ba786fee4922feac08002c
- web https://git.kernel.org/stable/c/2025b2d1f9d5cad6ea6fe85654c6c41297c3130b
- web https://git.kernel.org/stable/c/75a4d8cfe7784f909b3bd69325abac8e04ecb385
- web https://git.kernel.org/stable/c/8e2f8020270af7777d49c2e7132260983e4fc566
- web https://git.kernel.org/stable/c/c4054ad2d8bff4e8e937cd4a1d1a04c1e8f77a2c
- web https://git.kernel.org/stable/c/ca235d11fc2fd8fce1dcd9d732dc780be0cde2de
- web https://git.kernel.org/stable/c/d8570211a2b1ec886a462daa0be4e9983ac768bb
- web https://git.kernel.org/stable/c/e0065e106f798ce6862251bc4fc030ac5cead940
- web https://nvd.nist.gov/vuln/detail/CVE-2026-23474
- web https://github.com/advisories/GHSA-hvxh-97j9-4hcx