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CVE-2026-40162
Vulnerability in bugsink (CVE-2026-40162)
Summary
vulnerability in bugsink (CVE-2026-40162). Data can be tampered with by attackers. Mitigation: upgrade to `2.1.1` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-40162** has been found in bugsink.
Data can be tampered with by attackers. CVSS score: ?/10.
What to do: upgrade bugsink to **2.1.1** or later.
If unsure, ask your IT team or search "bugsink CVE-2026-40162" on the vendor's site.
CVE-2026-40162 (bugsink) — CWE-20 /
Attack vector: remote (network-reachable) / no user interaction
Patched: `2.1.1` — 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-20) exists in bugsink.
📍 Affected scope
bugsink — .
🔥 Severity
Severity: ?. Data can be tampered with by attackers
🔧 How to fix
Update to **2.1.1**.
🛡️ 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 'bugsink' .` 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 'bugsink' . | 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 `bugsink` 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 bugsink to 2.1.1ステージング環境で 2.1.1 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
PyPI
bugsink
[{"type":"ECOSYSTEM","events":[{"introduced":"2.1.0"},{"fixed":"2.1.1"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2026-40162
- advisory https://github.com/advisories/GHSA-8hw4-fhww-273g
- package https://github.com/bugsink/bugsink
- package https://pypi.org/project/bugsink
- web https://github.com/bugsink/bugsink/security/advisories/GHSA-8hw4-fhww-273g
- web https://github.com/bugsink/bugsink/releases/tag/2.1.1