CVE-2026-85672CWE-78command-injection

CVE-2026-85672

Critical · published September 4, 2026

CVSS v3.1
9.8
EPSS
3%
Percentile
85.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
9.3 · 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
EPSS
0.02574 · 85.1th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2026-09-04T19:17Z
References (5)
https://github.com/getomni-ai/zerox · [email protected]https://github.com/getomni-ai/zerox/blob/main/node-zerox/src/utils/file.ts · [email protected]https://github.com/getomni-ai/zerox/issues/206 · [email protected]https://www.vulncheck.com/advisories/zerox-1.1.20-os-command-injection-via-document-url-file-extension · [email protected]https://github.com/getomni-ai/zerox/issues/206 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 06 SEP 03:33Z
    EPSS moved — → 1%
    epss
  • 04 SEP 14:32Z
    zerox 1.1.20 OS Command Injection via Document URL File Extension
    cvelistv5