CVE-2026-85672: Command Injection (CVSS 9.8)

Description

zerox 1.1.20 contains an OS command injection vulnerability in the file download mechanism where the temporary file extension derived from document URLs is interpolated unsanitized into shell commands executed by poppler utilities. Attackers can craft document URLs with malicious file extensions containing command substitution syntax to execute arbitrary OS commands before document processing occurs.

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CVSS v3.1 Score

9.8

CRITICAL

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

EPSS — Exploit Prediction

0.0147

Probability of exploitation

0.72%

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/getomni-ai/zerox https://github.com/getomni-ai/zerox/blob/main/node-zerox/src/utils/file.ts https://github.com/getomni-ai/zerox/issues/206 https://www.vulncheck.com/advisories/zerox-1.1.20-os-command-injection-via-document-url-file-extension https://github.com/getomni-ai/zerox/issues/206

Frequently Asked Questions

What is CVE-2026-85672? +

zerox 1.1.20 contains an OS command injection vulnerability in the file download mechanism where the temporary file extension derived from document URLs is interpolated unsanitized into shell commands executed by poppler utilities. Attackers can craft document URLs with malicious file extensions containing command substitution syntax to execute arbitrary OS commands before document processing occurs. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2026-85672? +

CVE-2026-85672 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0147, placing it in the 1th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-85672? +

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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CVE-2026-85672