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CVE-2026-42224
high
CVSS 7.6
Cross-Site Scripting (XSS) in ipl/web (CVE-2026-42224)
Summary
cross-site scripting in ipl/web (CVE-2026-42224). Successful exploitation can lead to full system takeover. Mitigation: upgrade to `0.10.3` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-42224** has been found in ipl/web.
Successful exploitation can lead to full system takeover. CVSS score: 7.6/10.
What to do: upgrade ipl/web to **0.10.3** or later.
If unsure, ask your IT team or search "ipl/web CVE-2026-42224" on the vendor's site.
CVE-2026-42224 (ipl/web) — CWE-79 / CVSS v3 7.6
Attack vector: remote (network-reachable)
Patched: `0.10.3` — apply immediately
Workaround: Enable the Content-Security-Policy (CSP) in the general configuration of Icinga Web available since version 2.12.0.
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
**Cross-site scripting (XSS)** (CWE-79) exists in ipl/web.
📍 Affected scope
ipl/web — .
🔥 Severity
Severity: High (CVSS 7.6/10). Successful exploitation can lead to full system takeover
🔧 How to fix
Update to **0.10.3**.
🛡️ Workaround
Workaround: Enable the Content-Security-Policy (CSP) in the general configuration of Icinga Web available since version 2.12.0.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'ipl/web' .` 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 'ipl/web' . | 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 `ipl/web` 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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5Apply temporary workaround mitigate
Enable the Content-Security-Policy (CSP) in the general configuration of Icinga Web available since version 2.12.0.パッチが適用されるまでの応急処置として、Enable the Content-Security-Policy (CSP) in the general configuration of Icinga Web available since version 2.12.0. を実施。回避策の副作用 (機能低下) を確認した上で。
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6Apply patch patch
Upgrade ipl/web to 0.10.3ステージング環境で 0.10.3 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスと、Step 3 で見つけた異常検知の続報チェックを含めること。
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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。
Affected packages
composer
ipl/web
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.10.3"}]}]
Packagist
ipl/web
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.10.3"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2026-42224
- package https://github.com/Icinga/ipl-web
- web https://github.com/Icinga/ipl-web/commit/f387e92504d7a03bb857d1aee9b7410e06dd065d
- web https://github.com/Icinga/ipl-web/releases/tag/v0.13.1
- web https://github.com/Icinga/ipl-web/security/advisories/GHSA-55wf-5m3q-6jjf
- web https://github.com/advisories/GHSA-55wf-5m3q-6jjf
- web https://github.com/Icinga/ipl-web/releases/tag/v0.10.3