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CVE-2026-53093
medium
CVSS 5.5
Vulnerability in c (CVE-2026-53093)
Summary
vulnerability in c (CVE-2026-53093). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-53093** 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-2026-53093" on the vendor's site.
CVE-2026-53093 (c) — CWE-476 / 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** (CWE-476) 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://nvd.nist.gov/vuln/detail/CVE-2026-53093
- web https://git.kernel.org/stable/c/2e0e5a43ed126f896a4ad31ade66c90270601bae
- web https://git.kernel.org/stable/c/334c68750eee84c2327db1d152be83ff5ad8e20b
- web https://git.kernel.org/stable/c/99ef547659178eef6d6ba4738a9d989ce90cf909
- web https://git.kernel.org/stable/c/a3b45090a91e2f0b9715870d8f8d9ca2fdfbc1af
- web https://git.kernel.org/stable/c/bd6c906e0c4af6d5d0c49c3c4ee090b4913da17d
- web https://git.kernel.org/stable/c/cbea71b4480394708f9a6e007a0385acfe5e1ec8
- web https://git.kernel.org/stable/c/d3f280be48f1c672cb10e8026c236d0cca60048a
- web https://git.kernel.org/stable/c/dd8592fc6007a451c3e4b9025de365e39de8178a
- web https://github.com/advisories/GHSA-5hw3-x6vp-wc4h