CVE-2026-44521 elFinder: SQL Injection MySQL Volume Driver (elFinderVolumeMySQL)
Authenticated users can inject SQL via crafted file hashes in the MySQL volume driver, leading to data disclosure or denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-44521?
CVE-2026-44521 is a high-severity SQL injection vulnerability in Studio-42 elFinder, published on 27 May 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-89
Which versions are affected by CVE-2026-44521?
2 open source packages ship an affected version, including studio-42/elfinder.
| Package | Affected | Fixed in |
|---|---|---|
studio-42/elfinder Packagist | All versions | 2.1.68 |
studio-42/elfinder Packagist | All versions | 2.1.68 |
How do I fix CVE-2026-44521?
Upgrade studio-42/elfinder to 2.1.68 or later.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-44521 being exploited?
There is no known exploitation of CVE-2026-44521 in the wild and no public exploit code.
Sources
Also known as GHSA-c3gj-q88f-7hqj.