Stack-based buffer overflow in GV-VMS V20 - CVE-2026-12488
Published: June 24, 2026
Vulnerability identifier: #VU135123
CSH Severity: Low
CVSS v4: 5.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-12488
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error in the GV-Cloud functionality. A remote administrator can send a specially crafted network request, trigger stack-based buffer overflow and cause a denial of service on the target system.
Affected software
GV-VMS V20
How to mitigate CVE-2026-12488
Install updates from vendor's website.