← Back
CVE-2026-43139
high
CVSS 8.6
Vulnerability in CVE-2026-43139 (CVE-2026-43139)
Summary
vulnerability in CVE-2026-43139 (CVE-2026-43139). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-43139** has been found in CVE-2026-43139.
Risk of unauthorized operations or information disclosure. CVSS score: 8.6/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "CVE-2026-43139 CVE-2026-43139" on the vendor's site.
CVE-2026-43139 (CVE-2026-43139) — CVSS v3 8.6
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 CVE-2026-43139.
📍 Affected scope
CVE-2026-43139 — .
🔥 Severity
Severity: High (CVSS 8.6/10). 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. Audit SBOM/dependencies to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
Audit SBOM/dependencies for affected components.依存マニフェストで影響コンポーネントを特定する。
-
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/1799d8abeabc68ec05679292aaf6cba93b343c05
- web https://git.kernel.org/stable/c/3dcd1664ac15eee6a690daec7c4ffc59190406f7
- web https://git.kernel.org/stable/c/4f28141786e1fe884ce42a5197ba9beed540f0ea
- web https://git.kernel.org/stable/c/6535867673bf301d52aa00593a4d1d18cc3922fa
- web https://git.kernel.org/stable/c/719918fc88df6da023dfff370cd965151a5afd7f
- web https://git.kernel.org/stable/c/c7221e7bd8fc2ef38a0b27be580d9d202281306b
- web https://git.kernel.org/stable/c/dc0abce055134cb83b0d981d31ceb20dda419787
- web https://git.kernel.org/stable/c/eb2ee15290af14c60b45cf2b73f5687d1d077d9b
- web https://nvd.nist.gov/vuln/detail/CVE-2026-43139
- web https://github.com/advisories/GHSA-hr53-gf94-w7mp