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CVE-2026-48820
Path Traversal in cakephp/cakephp (CVE-2026-48820)
Summary
path traversal in cakephp/cakephp (CVE-2026-48820). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `4.5.11` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-48820** has been found in cakephp/cakephp.
Risk of unauthorized operations or information disclosure. CVSS score: ?/10.
What to do: upgrade cakephp/cakephp to **4.5.11** or later.
If unsure, ask your IT team or search "cakephp/cakephp CVE-2026-48820" on the vendor's site.
CVE-2026-48820 (cakephp/cakephp) — CWE-22 /
Patched: `4.5.11` — apply immediately
Workaround: If developers are not using user-supplied data in element names, no action is required.
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
**Path traversal** (CWE-22) exists in cakephp/cakephp.
📍 Affected scope
cakephp/cakephp — .
🔥 Severity
Severity: ?. Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **4.5.11**.
🛡️ Workaround
Workaround: If developers are not using user-supplied data in element names, no action is required.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'cakephp/cakephp' .` 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 'cakephp/cakephp' . | 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 `cakephp/cakephp` 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
If developers are not using user-supplied data in element names, no action is required.パッチが適用されるまでの応急処置として、If developers are not using user-supplied data in element names, no action is required. 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 cakephp/cakephp to 4.5.11ステージング環境で 4.5.11 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
composer
cakephp/cakephp
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.5.11"}]}]