CVE-2026-67827 ZLMediaKit - Broken Access Control

ZLMediaKit contains an incorrect access control vulnerability caused by unauthenticated access to the setServerConfig API endpoint, letting remote attackers achieve remote code execution by overwriting ffmpeg.snap with shell commands, exploit requires no authentication.

CVSS base score 9.8 /10
Critical
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.75% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
21 September 2026
Updated
15 October 2026
Weakness
CWE-94

Vendor fix

Update to the latest version with access control fixes.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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