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CVE-2026-12198
high
CVSS 7.3
Path Traversal in microweber/microweber (CVE-2026-12198)
Summary
path traversal in microweber/microweber (CVE-2026-12198). Risk of unauthorized operations or information disclosure.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-12198** has been found in microweber/microweber.
Risk of unauthorized operations or information disclosure. CVSS score: 7.3/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "microweber/microweber CVE-2026-12198" on the vendor's site.
CVE-2026-12198 (microweber/microweber) — CWE-22 / CVSS v3 7.3
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
**Path traversal** (CWE-22) exists in microweber/microweber.
📍 Affected scope
microweber/microweber — .
🔥 Severity
Severity: High (CVSS 7.3/10). 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 'microweber/microweber' .` 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 'microweber/microweber' . | 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 `microweber/microweber` 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。
Affected packages
composer
microweber/microweber
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
References
- web https://nvd.nist.gov/vuln/detail/CVE-2026-12198
- web https://github.com/microweber/microweber/issues/1172
- web https://github.com/microweber/microweber
- web https://github.com/whuHouYF/microweber-vuldb-disclosure-2026/blob/991630c494a99c70a96e456992a04de2ecb5a1e1/reports/microweber-path-traversal.md
- web https://vuldb.com/cve/CVE-2026-12198
- web https://vuldb.com/submit/829596
- web https://vuldb.com/vuln/370841
- web https://vuldb.com/vuln/370841/cti
- web https://github.com/advisories/GHSA-vv4x-qcpq-wgrg
- web [email protected]