PT-2026-71809

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service and potentially obtain sensitive information due to a stack-based buffer overflow...

PT-2026-71821

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to gain unauthorized access to arbitrary objects due to a path traversal vulnerability...

CVE-2026-16908: Improper Limitation of a Pathname to a Restricted Directory

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to gain unauthorized access to arbitrary objects due to a path traversal vulnerability...

CVE-2026-16867: Improper Authentication

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to access server resources with the privileges of an authenticated user due to improper authentication during NTLM session negotiation...

PT-2026-71804

Name of the Vulnerable Software and Affected Versions IBM i Access Client Solutions versions 1.1.2.0 through 1.1.9.13 Description Arbitrary code execution is possible on Windows systems when the software is installed for all users. This issue occurs because of a publicly writeable directory, whic...

PT-2026-71854

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to obtain sensitive information due to an out-of-bounds read...

CVE-2026-16967: Time-of-check Time-of-use (TOCTOU) Race Condition

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to gain unauthorized access to system objects due to a time-of-check to time-of-use TOCTOU race condition involving symbolic links...

CVE-2026-17076: Allocation of Resources Without Limits or Throttling

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to improper processing of DRDA and DDM resynchronization requests...

PT-2026-71805

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to execute arbitrary code due to an untrusted search path...

PT-2026-71741

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to unbounded resource allocation...

PT-2026-71739

Name of the Vulnerable Software and Affected Versions IBM i versions 7.3 through 7.6 Description A heap buffer overflow allows a remote attacker to cause a denial of service. A heap buffer overflow occurs when a program writes more data to a heap-allocated memory block than it can hold, potential...

PT-2026-71815

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to the use of uninitialized memory during ASN.1 length processing...

CVE-2026-18509: Improper Authorization

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local authenticated attacker to gain privilege escalation via the Navigator for i debugger. This could allow the attacker to access or manipulate sensitive data on the system, or create new profiles with elevated privileges on the IBM i system...

PT-2026-71846

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to a buffer overflow...

CVE-2026-18071: Improper Privilege Management

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to gain elevated privileges due to improper privilege management...

PT-2026-71740

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to an infinite loop...

PT-2026-71808

Name of the Vulnerable Software and Affected Versions IBM i versions 7.3 through 7.6 Description Improper privilege management may allow a remote authenticated attacker to obtain unauthorized privileges. Recommendations At the moment, there is no information about a newer version that contains a...

PT-2026-71836

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to obtain sensitive information and perform unauthorized operations due to improper validation of authentication tokens...

CVE-2026-16982: Out-of-bounds Write

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to a heap buffer overflow...

Security Bulletin: IBM i is Affected By An Improper Management Vulnerability in HTTP Server [CVE-2026-18071]

Summary IBM i is vulnerable to elevated privileges due to improper privilege management CVE-2026-18071 in HTTP Server as described in the vulnerability details section. Vulnerability Details CVEID:CVE-2026-18071 DESCRIPTION: IBM i could allow a local attacker to gain elevated privileges due to...