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CVE-2026-54300
medium
CVSS 5.3
SSRF (Server-Side Request Forgery) in @astrojs/netlify (CVE-2026-54300)
Summary
SSRF in @astrojs/netlify (CVE-2026-54300). Risk of unauthorized operations or information disclosure. Exploitable via ``image.remotePatterns``. Mitigation: upgrade to `7.0.13` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-54300** has been found in @astrojs/netlify.
Attackers can target a specific entry point like ``image.remotePatterns`` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: 5.3/10.
What to do: upgrade @astrojs/netlify to **7.0.13** or later.
If unsure, ask your IT team or search "@astrojs/netlify CVE-2026-54300" on the vendor's site.
CVE-2026-54300 (@astrojs/netlify) — CWE-918 / CVSS v3 5.3
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Attack surface: `image.remotePatterns` / `images.remote_images` / `localhost` / `matchHostname`
Patched: `7.0.13` — 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
**SSRF** (CWE-918) exists in @astrojs/netlify. Attackers reach the vulnerable code path via ``image.remotePatterns`` without authentication.
📍 Affected scope
@astrojs/netlify — . Attack surface: `image.remotePatterns` / `images.remote_images` / `localhost` / `matchHostname`.
🔥 Severity
Severity: Medium (CVSS 5.3/10). Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **7.0.13**.
🛡️ 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 '@astrojs/netlify' .` 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 '@astrojs/netlify' . | 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 `@astrojs/netlify` 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 @astrojs/netlify to 7.0.13ステージング環境で 7.0.13 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
@astrojs/netlify
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"7.0.13"}]}]