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CVE-2026-41139
high
CVSS 8.8
Vulnerability in mathjs (CVE-2026-41139)
Summary
vulnerability in mathjs (CVE-2026-41139). Successful exploitation can lead to full system takeover. Mitigation: upgrade to `15.2.0` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-41139** has been found in mathjs.
Successful exploitation can lead to full system takeover. CVSS score: 8.8/10.
What to do: upgrade mathjs to **15.2.0** or later.
If unsure, ask your IT team or search "mathjs CVE-2026-41139" on the vendor's site.
CVE-2026-41139 (mathjs) — CWE-915 / CVSS v3 8.8
Attack vector: remote (network-reachable) / no user interaction
Patched: `15.2.0` — apply immediately
Workaround: There is no workaround without upgrading to `v15.2.0`.
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
**A vulnerability** (CWE-915) exists in mathjs.
📍 Affected scope
mathjs — .
🔥 Severity
Severity: High (CVSS 8.8/10). Successful exploitation can lead to full system takeover
🔧 How to fix
Update to **15.2.0**.
🛡️ Workaround
Workaround: There is no workaround without upgrading to `v15.2.0`.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'mathjs' .` 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 'mathjs' . | 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 `mathjs` 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
There is no workaround without upgrading to `v15.2.0`.パッチが適用されるまでの応急処置として、There is no workaround without upgrading to `v15.2.0`. 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 mathjs to 15.2.0ステージング環境で 15.2.0 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
mathjs
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"15.2.0"}]}]
References
- web https://github.com/josdejong/mathjs/commit/0aee2f61866e35ffa0aef915221cdf6b026ffdd4
- web https://github.com/josdejong/mathjs/commit/bcf0da46f0b8577ec03c9ecd7bff8b5c2543a611
- web https://github.com/josdejong/mathjs/pull/3656
- web https://github.com/josdejong/mathjs/releases/tag/v15.2.0
- web https://github.com/josdejong/mathjs/security/advisories/GHSA-5v89-rwgr-qj6g
- web https://github.com/josdejong/mathjs/security/advisories/GHSA-jvff-x2qm-6286
- web https://nvd.nist.gov/vuln/detail/CVE-2026-41139
- web https://github.com/advisories/GHSA-jvff-x2qm-6286