← Back
CVE-2026-23011
medium
CVSS 5.5
Vulnerability in c (CVE-2026-23011)
Summary
vulnerability in c (CVE-2026-23011). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-23011** 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-2026-23011" on the vendor's site.
CVE-2026-23011 (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。
-
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/06fe0801396a36cab865b34f666de1d65bc5ce8e
- web https://git.kernel.org/stable/c/2ecf0aa7cc262472a9599cc51ba02ada0897a17a
- web https://git.kernel.org/stable/c/554201ed0a8f4d32e719f42caeaeb2735a9ed6ca
- web https://git.kernel.org/stable/c/8d5b6b2d79c1c22a5b0db1187a6439dff375a022
- web https://git.kernel.org/stable/c/aa57bfea4674e6da8104fa3a37760a6f5f255dad
- web https://git.kernel.org/stable/c/e67c577d89894811ce4dcd1a9ed29d8b63476667
- web https://git.kernel.org/stable/c/eeb9a521de40c6fadccc12fa5205e5a1b364d5a8
- web https://cert-portal.siemens.com/productcert/html/ssa-019113.html
- web https://nvd.nist.gov/vuln/detail/CVE-2026-23011
- web https://github.com/advisories/GHSA-5ww3-m3hh-c9fg