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CVE-2026-56424
high
CVSS 8.8
Vulnerability in misp-project (CVE-2026-56424)
Summary
vulnerability in misp-project (CVE-2026-56424). Successful exploitation can lead to full system takeover.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-56424** has been found in misp-project.
Successful exploitation can lead to full system takeover. CVSS score: 8.8/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "misp-project CVE-2026-56424" on the vendor's site.
CVE-2026-56424 (misp-project) — CWE-639 / CVSS v3 8.8
Attack vector: remote (network-reachable) / 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-639) exists in misp-project.
📍 Affected scope
misp-project — .
🔥 Severity
Severity: High (CVSS 8.8/10). Successful exploitation can lead to full system takeover
🔧 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 'misp-project' .` 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 'misp-project' . | 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 `misp-project` 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://github.com/MISP/MISP/commit/24d7e91339a3ef043652dd5799c36e5065b2bb4a
- web https://github.com/MISP/MISP/commit/3aecc04d5816189412b589cf590c6dbe9a8db5c0
- web https://github.com/MISP/MISP/commit/57ad774d21bd1863d060a9e6e73ae54eb96784ce
- web https://github.com/MISP/MISP/commit/744005cefdc3b943bd29669c3b34cc66a5fc2154
- web https://github.com/MISP/MISP/commit/ba2f51fe7440ba2c6043ccde858cac1e25f96931
- web https://nvd.nist.gov/vuln/detail/CVE-2026-56424
- web https://github.com/advisories/GHSA-r3v6-qw6x-wf6h