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.
Original description
The description as published by the source.
elFinder is an open-source file manager for web, written in JavaScript using jQuery UI. Prior to 2.1.68, an authenticated SQL injection vulnerability in the elFinder MySQL volume driver (elFinderVolumeMySQL) allows any logged-in user, including users with read-only access to the affected volume, to inject SQL through a crafted target file hash. Successful exploitation can lead to unauthorized data disclosure and denial of service. This vulnerability only affects installations configured to use the MySQL volume driver. This vulnerability is fixed in 2.1.68.
Source: GitHub Security Advisories (Global) NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
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: 8.8/10.
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 / CVSS v3 8.8
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.
SQL injection (CWE-89) exists in studio-42/elfinder. Attackers reach the vulnerable code path via elFinderVolumeMySQL.
Check the vendor advisory for the affected versions of studio-42/elfinder. Attack surface: elFinderVolumeMySQL / target / MySQL / LocalFileSystem.
Severity: High (CVSS 8.8/10). Successful exploitation can lead to full system takeover.
Update to 2.1.68.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
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
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。 -
2Apply 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を含めること。
-
3Post-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。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Affected packages
References
- advisory github.com
- advisory nvd.nist.gov
- advisory github.com
- package github.com
- web github.com