CVE-2026-110646: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') in beganovich snappdf
Description
Beganovich snappdf versions from 1.1.0 up to but not including 6.1.0 contain an OS command injection vulnerability on Windows. This flaw allows attackers to execute arbitrary commands by injecting special characters into the setUrl() function, which are passed unescaped to PHP's exec() function. The vulnerability has a critical severity with a CVSS 4.0 score of 9.2.
CVSS v4.0
Score 9.2critical
Affected software
beganovich
snappdf
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AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in beganovich snappdf (versions >=1.1.0 <6.1.0) is an OS command injection on Windows platforms. Attackers can manipulate the rendered URL by including cmd.exe metacharacters such as '&' in the setUrl() value. These characters are passed without proper escaping to the PHP exec() function via executeOnWindows(), enabling arbitrary command execution under the PHP process context.
Potential Impact
Successful exploitation allows remote attackers to execute arbitrary OS commands on the Windows host running the vulnerable snappdf version. This can lead to full compromise of the PHP process privileges, potentially allowing data theft, system manipulation, or further attacks. The CVSS 4.0 score of 9.2 indicates critical impact with high attack vector and complexity.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, avoid using vulnerable versions or restrict access to the affected functionality to trusted users only.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- VulnCheck
- Date Reserved
- 2026-10-14T13:07:35.409Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6acf92f52cdf04f6568a4e3e
Added to database: 10/14/2026, 14:34:29 UTC
Last enriched: 10/14/2026, 14:48:29 UTC
Last updated: 10/14/2026, 19:00:33 UTC
Views: 13
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