Integer overflow in Cobalt - CVE-2025-11463
Published: October 20, 2025
Vulnerability identifier: #VU117385
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2025-11463
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Ashlar-Vellum
Affected software:
Cobalt
Cobalt
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow. A remote attacker can trick a victim to open a specially crafted XE file, trigger integer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2025-11463
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.