IBM i vulnerabilities
107 known CVE vulnerabilities in IBM i, translated and rated.
- CVE-2026-17083Critical
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to execute arbitrary code due to a stack-based buffer overflow.
- CVE-2026-17276Critical
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to escalate privileges due to improper authorization in the handling of high-authority threads.
- CVE-2026-17218Critical
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to execute arbitrary code due to an out-of-bounds write.
- CVE-2026-16860Critical
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to execute arbitrary code due to an uncontrolled search path element.
- CVE-2026-18102Low
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to overwrite adjacent memory due to an integer underflow during bounds checking.
- CVE-2026-17015Medium
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to cause a denial of service and obtain sensitive information due to an out-of-bounds read.
- CVE-2026-18715Medium
IBM i versions 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to obtain sensitive information due to improper processing of XML external entities.
- CVE-2026-18671Medium
IBM i versions 7.6, 7.5, 7.4, and 7.3 could allow an authenticated attacker to force a NetServer server thread exception, caused by an integer overflow during bounds checking in request processing. The attacker could exploit this vulnerability to cause a temporary denial of service.
- CVE-2026-18511High
IBM i versions 7.6, 7.5, 7.4, and 7.3 may allow a local authenticated attacker to trigger a stack-based buffer overflow in the native IBM i JSSE provider, caused by improper bounds checking during TLS session establishment. A local attacker could overflow a fixed-length buffer and execute arbitrary code on the system or cause the JVM process to crash.
- CVE-2026-18509High
IBM i versions 7.6, 7.5, 7.4, and 7.3 may 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.
- CVE-2026-18249High
IBM i versions 7.6, 7.5, 7.4, and 7.3 may allow a remote authenticated attacker to gain elevated privileges due to improper validation of pointers read from Java-controlled addresses.
- CVE-2026-18193High
IBM i versions 7.6, 7.5, 7.4, and 7.3 may allow a remote attacker to bypass security restrictions due to improper validation of user-controlled addresses.
- CVE-2026-18101High
IBM i versions 7.6, 7.5, 7.4, and 7.3 may allow a local attacker to gain elevated privileges due to improper management of thread authority swaps.
- CVE-2026-18086Medium
IBM i versions 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to execute arbitrary code or cause a denial of service due to improper bounds checking.
- CVE-2026-18077High
IBM i versions 7.6, 7.5, 7.4, and 7.3 may allow a remote attacker to cause a denial of service due to a stack-based buffer overflow.
- CVE-2026-18068Medium
IBM i versions 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to obtain sensitive information due to a byte-count and element-count confusion.
- CVE-2026-18020Medium
IBM i versions 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to an off-by-one error in bounds checking.
- CVE-2026-17649Medium
IBM i versions 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-2026-17502High
IBM i versions 7.6, 7.5, 7.4, and 7.3 may allow a remote attacker to cause a denial of service due to an out-of-bounds write.
- CVE-2026-17476Medium
IBM i versions 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to an improper buffer write.
- CVE-2026-17438Medium
IBM i versions 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to obtain sensitive information or modify data due to improper privilege management.
- CVE-2026-17272High
IBM i versions 7.6, 7.5, 7.4, and 7.3 may allow a remote attacker to cause a denial of service due to a buffer overflow.
- CVE-2026-17226Medium
IBM i versions 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to obtain sensitive information or cause a denial of service due to an out-of-bounds read.
- CVE-2026-17216Medium
IBM i versions 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to an integer error when processing DRDA large-object headers.
- CVE-2026-17212Medium
IBM i versions 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to an out-of-bounds read.
- CVE-2026-17101High
IBM i versions 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to execute arbitrary code or obtain sensitive information due to improper authentication.
- CVE-2026-17099High
IBM i versions 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to obtain sensitive information due to improper authentication.
- CVE-2026-17088Medium
IBM i versions 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to obtain sensitive information due to a path traversal vulnerability.
- CVE-2026-17078Medium
IBM i versions 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to resource exhaustion.
- CVE-2026-17077Medium
IBM i versions 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 an uninitialized variable.
- CVE-2026-17076Medium
IBM i versions 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.
- CVE-2026-17075Medium
IBM i versions 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-2026-17074Low
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to bypass security restrictions due to improper privilege management.
- CVE-2026-17071Low
IBM i versions 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to perform file manipulation due to path traversal.
- CVE-2026-18846High
IBM i versions 7.6, 7.5, 7.4, and 7.3 are vulnerable to a buffer overflow from improperly validating client data. By sending malformed requests to one of the host servers, a remote attacker could leverage this vulnerability to cause a denial-of-service (DoS) for that server.
- CVE-2026-17229High
IBM i versions 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.
- CVE-2026-17223High
IBM i versions 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to execute arbitrary code due to a buffer overflow.
- CVE-2026-17206High
IBM i versions 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to execute arbitrary code due to a buffer overflow.
- CVE-2026-17199High
IBM i versions 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.
- CVE-2026-17069High
IBM i versions 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to bypass security restrictions due to improper validation of anti-CSRF tokens.
- CVE-2026-17045High
IBM i versions 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to perform unauthorized operations and access sensitive information due to improper session management.
- CVE-2026-17043Low
IBM i versions 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to delete arbitrary files due to path traversal.
- CVE-2026-17029High
IBM i versions 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to execute arbitrary code due to an out-of-bounds write.
- CVE-2026-17004High
IBM i versions 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service (DoS) via an infinite loop.
- CVE-2026-16987High
IBM i versions 7.6, 7.5, 7.4, and 7.3 could allow a local attacker to gain elevated privileges due to improper validation of the LANG environment variable.
- CVE-2026-16982High
IBM i versions 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service (DoS) due to a heap buffer overflow.
- CVE-2026-16975High
IBM i versions 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to execute arbitrary code due to a heap-based buffer overflow.
- CVE-2026-16967High
IBM i versions 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-2026-16961High
IBM i versions 7.6, 7.5, and 7.4 are vulnerable to SQL injection. A remote attacker could send specially crafted SQL statements, which could allow the attacker to view, add, modify, or delete information in the back-end database.
- CVE-2026-16929Medium
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to obtain sensitive information due to a buffer overflow.

