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CVE-2026-50141
Vulnerability in go.woodpecker-ci.org/woodpecker/v3 (CVE-2026-50141)
Summary
vulnerability in go.woodpecker-ci.org/woodpecker/v3 (CVE-2026-50141). Risk of unauthorized operations or information disclosure. Exploitable via ``agent_id``. Mitigation: upgrade to `3.14.1` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-50141** has been found in go.woodpecker-ci.org/woodpecker/v3.
Attackers can target a specific entry point like ``agent_id`` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade go.woodpecker-ci.org/woodpecker/v3 to **3.14.1** or later.
If unsure, ask your IT team or search "go.woodpecker-ci.org/woodpecker/v3 CVE-2026-50141" on the vendor's site.
CVE-2026-50141 (go.woodpecker-ci.org/woodpecker/v3) — CWE-290 /
Attack surface: `agent_id`
Patched: `3.14.1` — apply immediately
Workaround: Disable org agents (`WOODPECKER_DISABLE_USER_AGENT_REGISTRATION=true`) and delete existing ones
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-290) exists in go.woodpecker-ci.org/woodpecker/v3. Attackers reach the vulnerable code path via ``agent_id`` without authentication.
📍 Affected scope
go.woodpecker-ci.org/woodpecker/v3 — . Attack surface: `agent_id`.
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **3.14.1**.
🛡️ Workaround
Workaround: Disable org agents (`WOODPECKER_DISABLE_USER_AGENT_REGISTRATION=true`) and delete existing ones
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'go.woodpecker-ci.org/woodpecker/v3' .` 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 'go.woodpecker-ci.org/woodpecker/v3' . | 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 `go.woodpecker-ci.org/woodpecker/v3` 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
Disable org agents (`WOODPECKER_DISABLE_USER_AGENT_REGISTRATION=true`) and delete existing onesパッチが適用されるまでの応急処置として、Disable org agents (`WOODPECKER_DISABLE_USER_AGENT_REGISTRATION=true`) and delete existing ones 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 go.woodpecker-ci.org/woodpecker/v3 to 3.14.1ステージング環境で 3.14.1 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
go
go.woodpecker-ci.org/woodpecker/v3
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.14.1"}]}]
References
- web https://github.com/woodpecker-ci/woodpecker-security/issues/21
- web https://github.com/woodpecker-ci/woodpecker/issues/6541
- web https://github.com/woodpecker-ci/woodpecker/pull/6567
- web https://github.com/woodpecker-ci/woodpecker/pull/6569
- web https://github.com/woodpecker-ci/woodpecker/security/advisories/GHSA-g7mm-9vx7-jm7h
- web https://nvd.nist.gov/vuln/detail/CVE-2026-50141
- web https://github.com/advisories/GHSA-g7mm-9vx7-jm7h