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CVE-2026-25244
OS Command Injection in @wdio/browserstack-service (CVE-2026-25244)
Summary
OS command injection in @wdio/browserstack-service (CVE-2026-25244). Successful exploitation can lead to full system takeover. Exploitable via ``source``. Mitigation: upgrade to `9.24.0` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-25244** has been found in @wdio/browserstack-service.
Attackers can target a specific entry point like ``source`` over the network to misuse the product.
Successful exploitation can lead to full system takeover. CVSS score: ?/10.
What to do: upgrade @wdio/browserstack-service to **9.24.0** or later.
If unsure, ask your IT team or search "@wdio/browserstack-service CVE-2026-25244" on the vendor's site.
CVE-2026-25244 (@wdio/browserstack-service) — CWE-78 /
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Attack surface: `source`
Patched: `9.24.0` — apply immediately
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 @wdio/browserstack-service. Attackers reach the vulnerable code path via ``source`` without authentication.
📍 Affected scope
@wdio/browserstack-service — . Attack surface: `source`.
🔥 Severity
Severity: ?. Successful exploitation can lead to full system takeover
🔧 How to fix
Update to **9.24.0**.
🛡️ 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 '@wdio/browserstack-service' .` 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 '@wdio/browserstack-service' . | 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 `@wdio/browserstack-service` 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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6Apply patch patch
Upgrade @wdio/browserstack-service to 9.24.0ステージング環境で 9.24.0 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
@wdio/browserstack-service
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"9.24.0"}]}]
References
- package https://github.com/webdriverio/webdriverio
- web https://github.com/webdriverio/webdriverio/security/advisories/GHSA-5c46-x3qw-q7j7
- web https://github.com/webdriverio/webdriverio/blob/ea0e3e00288abced4c739ff9e46c46977b7cdbd2/packages/wdio-browserstack-service/src/testorchestration/helpers.ts#L204
- web https://github.com/webdriverio/webdriverio/releases/tag/v9.24.0
- web https://github.com/advisories/GHSA-5c46-x3qw-q7j7