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CVE-2025-5891
Vulnerability in pm2 (CVE-2025-5891)
Summary
vulnerability in pm2 (CVE-2025-5891). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `7.0.0` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2025-5891** has been found in pm2.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade pm2 to **7.0.0** or later.
If unsure, ask your IT team or search "pm2 CVE-2025-5891" on the vendor's site.
CVE-2025-5891 (pm2) — CWE-1333 /
Attack vector: remote (network-reachable) / no user interaction
Patched: `7.0.0` — 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
**A vulnerability** (CWE-1333) exists in pm2.
📍 Affected scope
pm2 — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **7.0.0**.
🛡️ 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 'pm2' .` 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 'pm2' . | 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 `pm2` 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 pm2 to 7.0.0ステージング環境で 7.0.0 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
pm2
[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"7.0.0"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2025-5891
- package https://github.com/Unitech/pm2
- web https://github.com/Unitech/pm2/pull/5971
- web https://gist.github.com/mmmsssttt404/407e2ffe3e0eaa393ad923a86316a385
- web https://vuldb.com/?ctiid.311662
- web https://vuldb.com/?id.311662
- web https://vuldb.com/?submit.585750
- web https://github.com/Unitech/pm2/issues/6075
- web https://github.com/Unitech/pm2/commit/8b9354800a1d157cb9503a3ec414ef1e4700dc1c
- web https://github.com/Unitech/pm2/blob/ba62cae9b9b7116ee758b70f538919a52515fa26/CHANGELOG.md?plain=1#L36
- web https://github.com/Unitech/pm2/releases/tag/v7.0.0
- web https://github.com/advisories/GHSA-x5gf-qvw8-r2rm