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Vulnerability record · CVE-2026-73680 · published 14 August 2026

CVE-2026-73680: OS command injection vulnerability

Cockpit CMS 2.14.0 and prior contains a command injection vulnerability in the FFmpeg integration that allows authenticated users with only the assets/upload permission to execute arbitrary commands by uploading a video file with a shell metacharacter-laden filename. The unsanitized filename is interpolated into a shell command executed via Process::fromShellCommandline() before the slugify() sanitizer runs, enabling injected shell metacharacters such as backticks, $(), and semicolons to escape the FFmpeg command context and execute as the web-server user.

8.7 CVSS 4.0 High EPSS 2.8% · top 14.1% CWE-78 · OS command injection Deferred
8.7CVSS 4.0 base score
2.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
26 Aug 2026Last modified by NVD

Description

Cockpit CMS 2.14.0 and prior contains a command injection vulnerability in the FFmpeg integration that allows authenticated users with only the assets/upload permission to execute arbitrary commands by uploading a video file with a shell metacharacter-laden filename. The unsanitized filename is interpolated into a shell command executed via Process::fromShellCommandline() before the slugify() sanitizer runs, enabling injected shell metacharacters such as backticks, $(), and semicolons to escape the FFmpeg command context and execute as the web-server user.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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:

References

LinkTags
https://github.com/Cockpit-HQ/Cockpit
https://github.com/Cockpit-HQ/Cockpit/commit/28813596f57685f63d3a48f655e8e9bd2b535cab
https://link.mateocallec.com/MFC-2026-002
https://www.vulncheck.com/advisories/cockpit-cms-authenticated-command-injection-via-ffmpeg-filename

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Source: NIST National Vulnerability Database (record CVE-2026-73680), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.