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CVE-2026-44521
SQL Injection in studio-42/elfinder (CVE-2026-44521)
Summary
SQL injection in studio-42/elfinder (CVE-2026-44521). Successful exploitation can lead to full system takeover. Exploitable via ``elFinderVolumeMySQL``. Mitigation: upgrade to `2.1.68` or later.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-44521** has been found in studio-42/elfinder.
Attackers can target a specific entry point like ``elFinderVolumeMySQL`` over the network to misuse the product.
Successful exploitation can lead to full system takeover. CVSS score: ?/10.
What to do: upgrade studio-42/elfinder to **2.1.68** or later.
If unsure, ask your IT team or search "studio-42/elfinder CVE-2026-44521" on the vendor's site.
CVE-2026-44521 (studio-42/elfinder) — CWE-89 /
Attack vector: remote (network-reachable) / no user interaction
Attack surface: `elFinderVolumeMySQL` / `target` / `MySQL` / `LocalFileSystem`
Patched: `2.1.68` — 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
**SQL injection** (CWE-89) exists in studio-42/elfinder. Attackers reach the vulnerable code path via ``elFinderVolumeMySQL`` without authentication.
📍 Affected scope
studio-42/elfinder — . Attack surface: `elFinderVolumeMySQL` / `target` / `MySQL` / `LocalFileSystem`.
🔥 Severity
Severity: ?. Successful exploitation can lead to full system takeover
🔧 How to fix
Update to **2.1.68**.
🛡️ 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 'studio-42/elfinder' .` 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 'studio-42/elfinder' . | 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 `studio-42/elfinder` 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 studio-42/elfinder to 2.1.68ステージング環境で 2.1.68 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
studio-42/elfinder
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.68"}]}]
Packagist
studio-42/elfinder
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.1.68"}]}]