CVE-2026-85672

critical · 9.3

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.

9.3

CVSS

2.6%

EPSS (exploit prob.)

85th

EPSS percentile

2026-09-04

Published

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weaknesses

CWE-78

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

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-85672