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CVE-2026-41247

Std42 Elfinder command injection

9.8 CRITICALEPSS 2.65%
  1. Published23 Apr 2026

Description

elFinder is an open-source file manager for web, written in JavaScript using jQuery UI. Prior to 2.1.67, elFinder contains a command injection vulnerability in the resize command. The bg (background color) parameter is accepted from user input and passed through image resize/rotate processing. In configurations that use the ImageMagick CLI backend, this value is incorporated into shell command strings without sufficient escaping. An attacker able to invoke the resize command with a crafted bg value may achieve arbitrary command execution as the web server process user. This vulnerability is fixed in 2.1.67.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Std42 Elfinder< 2.1.67

Remediation

Fixed in
Std42 Elfinder≥ 2.1.67

References

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Frequently asked

Is CVE-2026-41247 being actively exploited?

CVE-2026-41247 is not in the CISA KEV catalog. Its EPSS exploit probability is 2.65%.

How severe is CVE-2026-41247?

CVE-2026-41247 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 2.65% probability of exploitation.

Which products are affected by CVE-2026-41247?

Affected products include Std42 Elfinder.

How do I fix CVE-2026-41247?

Upgrade affected software to a fixed version, for example Std42 Elfinder 2.1.67 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-41247 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.