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CVE-2026-70611
medium
CVSS 6.9
OS Command Injection in electron (CVE-2026-70611)
Summary
OS command injection in electron (CVE-2026-70611). Confidential information can be exposed externally. Mitigation: upgrade to `42.0.0-beta.3` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-70611** has been found in electron.
Confidential information can be exposed externally. CVSS score: 6.9/10.
What to do: upgrade electron to **42.0.0-beta.3** or later.
If unsure, ask your IT team or search "electron CVE-2026-70611" on the vendor's site.
CVE-2026-70611 (electron) — CWE-78 / CVSS v3 6.9
Attack vector: local
Patched: `42.0.0-beta.3` — apply immediately
Workaround: Do not open DevTools for windows that load untrusted content, and do not load untrusted DevTools extensions.
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
**OS command injection** (CWE-78) exists in electron.
📍 Affected scope
electron — .
🔥 Severity
Severity: Medium (CVSS 6.9/10). Confidential information can be exposed externally
🔧 How to fix
Update to **42.0.0-beta.3**.
🛡️ Workaround
Workaround: Do not open DevTools for windows that load untrusted content, and do not load untrusted DevTools extensions.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'electron' .` 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 'electron' . | 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 `electron` 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
Do not open DevTools for windows that load untrusted content, and do not load untrusted DevTools extensions.パッチが適用されるまでの応急処置として、Do not open DevTools for windows that load untrusted content, and do not load untrusted DevTools extensions. 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 electron to 42.0.0-beta.3ステージング環境で 42.0.0-beta.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
npm
electron
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"42.0.0-beta.3"}]}]
References
- web [email protected]
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- web https://github.com/advisories/GHSA-f2r8-jv7c-xqmp
- web [email protected]