CVE-2026-16687: Stack-based Buffer Overflow

IBM Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in the ASMI web interface. An unauthenticated attacker with network access can send the FSP a malformed request, allowing arbitrary code...

PT-2026-78564

Name of the Vulnerable Software and Affected Versions IBM Power Systems Firmware version FW1120.00 IBM Power Systems Firmware versions FW1110.00 through FW1110.30 IBM Power Systems Firmware versions FW1060.00 through FW1060.80 IBM Power Systems Firmware versions FW950.00 through FW950.H2...

PT-2026-78572

IBM Server Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in the FSP firmware update process. An attacker with authenticated administrator-level access to the FSP can, under specific conditions, execute...

PT-2026-78657

Name of the Vulnerable Software and Affected Versions IBM PowerVM Hypervisor version FW1120.00 IBM PowerVM Hypervisor versions FW1110.00 through FW1110.30 IBM PowerVM Hypervisor versions FW1060.00 through FW1060.80 IBM PowerVM Hypervisor versions FW950.00 through FW950.H2 Description A flaw exist...

PT-2026-78565

Name of the Vulnerable Software and Affected Versions IBM Power Systems Firmware FW1120.00 IBM Power Systems Firmware versions FW1110.00 through FW1110.30 IBM Power Systems Firmware versions FW1060.00 through FW1060.80 Description An issue exists in the interface between the Baseboard Management...

PT-2026-78567

Name of the Vulnerable Software and Affected Versions IBM Power Systems Firmware FW1120.00 IBM Power Systems Firmware versions FW1110.00 through FW1110.30 IBM Power Systems Firmware versions FW1060.00 through FW1060.80 IBM Power Systems Firmware versions FW950.00 through FW950.H2 IBM Power System...

CVE-2026-18681: Stack-based Buffer Overflow

IBM Server Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in the FSP firmware update process. An attacker with authenticated administrator-level access to the FSP can, under specific conditions, execute...

CVE-2026-16835: Improper Certificate Validation

IBM Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in the FSP management network protocol. An unauthenticated attacker on the management network can bypass authentication and perform any...

CVE-2026-17093: Stack-based Buffer Overflow

IBM Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, FW950.00 through FW950.H2, OP940.00 through OP940.a1 Power9, and OP940.00 - OP940.81 Power HMC is affected by a vulnerability in host firmware configuration parsing. An attacker with service-level acce...

PT-2026-78582

Name of the Vulnerable Software and Affected Versions IBM Power Systems Firmware FW1120.00 IBM Power Systems Firmware versions FW1110.00 through FW1110.30 IBM Power Systems Firmware versions FW1060.00 through FW1060.80 IBM Power Systems Firmware versions FW950.00 through FW950.H2 IBM Power System...

PT-2026-78584

Name of the Vulnerable Software and Affected Versions IBM Power Systems Firmware version FW1120.00 IBM Power Systems Firmware versions FW1110.00 through FW1110.30 IBM Power Systems Firmware versions FW1060.00 through FW1060.80 Description A missing authorization issue exists in the interface...

PT-2026-78566

Name of the Vulnerable Software and Affected Versions IBM Power Systems Firmware version FW1120.00 IBM Power Systems Firmware versions FW1110.00 through FW1110.30 IBM Power Systems Firmware versions FW1060.00 through FW1060.80 IBM Power Systems Firmware versions FW950.00 through FW950.H2...

CVE-2026-17100: Out-of-bounds Write

Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, FW950.00 through FW950.H2, OP940.00 through OP940.a1, and OP940.00 - OP940.81 is affected by a vulnerability in the service processor mailbox interface. An attacker with authenticated service-level access ...

CVE-2026-16832: Stack-based Buffer Overflow

IBM Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, and FW950.00 through FW950.H2 is affected by a vulnerability in the FSP management network protocol. An attacker with authenticated HMC administrator access can execute arbitrary code on the service...

CVE-2026-16930: Missing Authorization

IBM Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, and FW1060.00 through FW1060.80 is affected by a vulnerability in the interface between the BMC/FSP and the host system. An attacker with service account or root access to the BMC/FSP can execute arbitrary code on the host system,...

PT-2026-78573

Name of the Vulnerable Software and Affected Versions IBM Power Systems Firmware version FW1120.00 IBM Power Systems Firmware versions FW1110.00 through FW1110.30 IBM Power Systems Firmware versions FW1060.00 through FW1060.80 IBM Power Systems Firmware versions FW950.00 through FW950.H2...

CVE-2026-17429: Incorrect Authorization

IBM Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, FW1060.00 through FW1060.80, FW950.00 through FW950.H2, OP940.00 through OP940.a1 Power9, and OP940.00 - OP940.81 Power HMC is affected by a vulnerability in the interface between the BMC/FSP and the host system. An attacker with...

CVE-2026-17063: Incorrect Authorization

IBM Power Systems Firmware FW1120.00, FW1110.00 through FW1110.30, and FW1060.00 through FW1060.80 is affected by a vulnerability in the interface between the BMC/FSP and the host system. An attacker with service account or root access to the BMC/FSP can access and disrupt host processor state,...

Security Bulletin: This Power System update is being released to address CVE-2026-16661

Summary Power Systems Firmware is affected by a vulnerability in the service processor mailbox interface. An attacker with authenticated service-level access to the FSP can exploit this vulnerability, allowing arbitrary code to be executed in the host firmware runtime, giving full control over th...

Security Bulletin: This Power System update is being released to address CVE-2026-18681

Summary Power Systems Firmware is affected by a vulnerability in the FSP firmware update process. An attacker with authenticated administrator-level access to the FSP can, under specific conditions, execute arbitrary code, resulting in a confidentiality, integrity, and availability impact...