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CVE-2026-48555
high
CVSS 7.4
SSRF (Server-Side Request Forgery) in spatie/laravel-medialibrary (CVE-2026-48555)
Summary
SSRF in spatie/laravel-medialibrary (CVE-2026-48555). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to `11.23.0` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-48555** has been found in spatie/laravel-medialibrary.
Risk of unauthorized operations or information disclosure. CVSS score: 7.4/10.
What to do: upgrade spatie/laravel-medialibrary to **11.23.0** or later.
If unsure, ask your IT team or search "spatie/laravel-medialibrary CVE-2026-48555" on the vendor's site.
CVE-2026-48555 (spatie/laravel-medialibrary) — CWE-918 / CVSS v3 7.4
Attack vector: remote (network-reachable) / no user interaction
Patched: `11.23.0` — 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 spatie/laravel-medialibrary.
📍 Affected scope
spatie/laravel-medialibrary — .
🔥 Severity
Severity: High (CVSS 7.4/10). Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to **11.23.0**.
🛡️ 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 'spatie/laravel-medialibrary' .` 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 'spatie/laravel-medialibrary' . | 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 `spatie/laravel-medialibrary` 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 spatie/laravel-medialibrary to 11.23.0ステージング環境で 11.23.0 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
spatie/laravel-medialibrary
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"11.23.0"}]}]
References
- web https://github.com/spatie/laravel-medialibrary/commit/608ea03703d3887c46434f5dda6af56de6346aba
- web https://github.com/spatie/laravel-medialibrary/pull/3939
- web https://github.com/spatie/laravel-medialibrary/releases/tag/11.23.0
- web https://www.vulncheck.com/advisories/spatie-laravel-media-library-ssrf-via-addmediafromurl
- web https://nvd.nist.gov/vuln/detail/CVE-2026-48555
- web https://github.com/advisories/GHSA-fggg-964j-3j7h