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CVE-2025-69725
medium
CVSS 4.7
Open Redirect in github.com/go-chi/chi/v5 (CVE-2025-69725)
Summary
vulnerability in github.com/go-chi/chi/v5 (CVE-2025-69725). Risk of unauthorized operations or information disclosure. Exploitable via ``RedirectSlashes``. Mitigation: upgrade to `5.2.4` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2025-69725** has been found in github.com/go-chi/chi/v5.
Attackers can target a specific entry point like ``RedirectSlashes`` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: 4.7/10.
What to do: upgrade github.com/go-chi/chi/v5 to **5.2.4** or later.
If unsure, ask your IT team or search "github.com/go-chi/chi/v5 CVE-2025-69725" on the vendor's site.
CVE-2025-69725 (github.com/go-chi/chi/v5) — CWE-601 / CVSS v3 4.7
Attack vector: remote (network-reachable) / unauthenticated
Attack surface: `RedirectSlashes` / `Trim` / `Host` / `evil.com`
Patched: `5.2.4` — 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-601) exists in github.com/go-chi/chi/v5. Attackers reach the vulnerable code path via ``RedirectSlashes`` without authentication.
📍 Affected scope
github.com/go-chi/chi/v5 — . Attack surface: `RedirectSlashes` / `Trim` / `Host` / `evil.com`.
🔥 Severity
Severity: Medium (CVSS 4.7/10). Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **5.2.4**.
🛡️ 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 'github.com/go-chi/chi/v5' .` 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 'github.com/go-chi/chi/v5' . | 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 `github.com/go-chi/chi/v5` 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 github.com/go-chi/chi/v5 to 5.2.4ステージング環境で 5.2.4 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
github.com/go-chi/chi/v5
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.2.4"}]}]