CVE-2026-115501
MEDIUM
NVD
CVSS Score
5.3
Severity
MEDIUM
Published
Nov 13, 2026
Vendor
unknown
Description
IBM i 7.3 7.4, 7.5, and 7.6 is vulnerable to a stack buffer overflow, caused by improper bounds checking in the QFileSvr.400 file system. By sending a command in the QFileSvr.400 file system, a local authenticated attacker could cause undefined behavior.