CVE-2026-110646: Command Injection (CVSS 8.1)

Description

Beganovich snappdf from 1.1.0 before 6.1.0 contains an OS command injection vulnerability on Windows that allows attackers to run commands by influencing the rendered URL. Attackers can supply cmd.exe metacharacters such as & in the setUrl() value, which executeOnWindows() passes unescaped to PHP exec(), executing commands as the PHP process.

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CVSS v3.1 Score

8.1

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0212

Probability of exploitation

0.82%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-78 OS Command Injection

References

Other References

https://github.com/beganovich/snappdf/blob/v6.0.0/src/Snappdf.php#L280-L284 https://github.com/beganovich/snappdf/commit/5197bd3bcc4df44e17246dbceea9ce51eb390eae https://github.com/beganovich/snappdf/pull/54 https://github.com/beganovich/snappdf/releases/tag/v6.1.0 https://www.vulncheck.com/advisories/beganovich-snappdf-1.1.0-before-6.1.0-os-command-injection-on-windows-via-seturl

Frequently Asked Questions

What is CVE-2026-110646? +

Beganovich snappdf from 1.1.0 before 6.1.0 contains an OS command injection vulnerability on Windows that allows attackers to run commands by influencing the rendered URL. Attackers can supply cmd.exe metacharacters such as & in the setUrl() value, which executeOnWindows() passes unescaped to PHP exec(), executing commands as the PHP process. It has a CVSS v3.1 base score of 8.1 (HIGH).

How severe is CVE-2026-110646? +

CVE-2026-110646 has a CVSS v3.1 score of 8.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0212, placing it in the 1th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-110646? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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