Command injection in LoadMaster - CVE-2026-59688
Published: July 27, 2026 / Updated: July 29, 2026
Vulnerability identifier: #VU139982
CSH Severity: Low
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-59688
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary operating system commands.
The vulnerability exists due to command injection in the backup restore functionality when processing restore operations. A remote privileged user can submit crafted restore input to execute arbitrary operating system commands.
Affected software
LoadMaster
MOVEit WAF
MOVEit WAF
How to mitigate CVE-2026-59688
Install security update from vendor's website.
LoadMaster - addressed in versions 7.2.54.19, 7.2.63.3
MOVEit WAF - update to 7.2.63.3
MOVEit WAF - update to 7.2.63.3