{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-17429","assignerOrgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","state":"PUBLISHED","assignerShortName":"ibm","dateReserved":"2026-07-25T06:21:59.387Z","datePublished":"2026-08-19T18:40:44.642Z","dateUpdated":"2026-08-21T16:14:54.757Z"},"containers":{"cna":{"providerMetadata":{"orgId":"9a959283-ebb5-44b6-b705-dcc2bbced522","shortName":"ibm","dateUpdated":"2026-08-19T19:02:29.834Z"},"title":"Power System Incorrect Authorization","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-863","description":"CWE-863 Incorrect Authorization","type":"CWE"}]}],"affected":[{"vendor":"IBM","product":"Power Systems Firmware","versions":[{"status":"affected","version":"FW1120.00"},{"status":"affected","version":"FW1110.00","lessThanOrEqual":"FW1110.30","versionType":"semver"},{"status":"affected","version":"FW1060.00","lessThanOrEqual":"FW1060.80","versionType":"semver"},{"status":"affected","version":"FW950.00","lessThanOrEqual":"FW950.H2","versionType":"semver"},{"status":"affected","version":"OP940.00","lessThanOrEqual":"OP940.a1","versionType":"semver"},{"status":"affected","version":"OP940.00","lessThanOrEqual":"OP940.81","versionType":"semver"}],"cpes":["cpe:2.3:o:ibm:power_systems_firmware:fw1120.00:*:*:*:*:*:*:*","cpe:2.3:o:ibm:power_systems_firmware:fw1110.00:*:*:*:*:*:*:*","cpe:2.3:o:ibm:power_systems_firmware:fw1110.30:*:*:*:*:*:*:*","cpe:2.3:o:ibm:power_systems_firmware:fw1060.00:*:*:*:*:*:*:*","cpe:2.3:o:ibm:power_systems_firmware:fw1060.80:*:*:*:*:*:*:*","cpe:2.3:o:ibm:power_systems_firmware:fw950.00:*:*:*:*:*:*:*","cpe:2.3:o:ibm:power_systems_firmware:fw950.h2:*:*:*:*:*:*:*","cpe:2.3:o:ibm:power_systems_firmware:op940.00:*:*:*:*:*:*:*","cpe:2.3:o:ibm:power_systems_firmware:op940.a1:*:*:*:*:*:*:*"]}],"descriptions":[{"lang":"en","value":"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 service account or root access to the BMC/FSP can write arbitrary data to hardware control registers, allowing full control over the host system and all hosted partitions, resulting in a confidentiality, integrity, and availability impact.","supportingMedia":[{"type":"text/html","base64":false,"value":"

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 service account or root access to the BMC/FSP can write arbitrary data to hardware control registers, allowing full control over the host system and all hosted partitions, resulting in a confidentiality, integrity, and availability impact.

"}]}],"references":[{"url":"https://www.ibm.com/support/pages/node/7283218","tags":["vendor-advisory","patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"HIGH","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseSeverity":"HIGH","baseScore":8.1,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:L/I:H/A:H"}}],"solutions":[{"lang":"en","value":"Customers with the products below should install FW1110.31(1110_134), FW1120.01(1120_167), or newer to remediate this vulnerability.\nPower 11\n\n * IBM Power System E1180 (9080-HEU)\n\n\nCustomers with the products below should install FW1110.31(1110_155), FW1120.01(1120_190), or newer to remediate this vulnerability.\nPower 11\n\n * IBM Power System S1122 (9824-22A)\n * IBM Power System S1124 (9824-42A)\n * IBM Power System S1122s (9824-22B)\n * IBM Power System S1114 (9824-41B)\n * IBM Power System L1122 (9856-22H)\n * IBM Power System L1124 (9856-42H)\n * IBM Power System E1150 (9043-MRU)\n\n\nCustomers with the products below should install FW1120.01(1120_190), or newer to remediate this vulnerability.\n\n\n\nPower 11\n\n * IBM Power System S1112 (9242-21B, 9242-21T)\n\n\n\nCustomers with the products below should install FW1060.81(1060_184), or newer to remediate this vulnerability.\nPower 10\n\n * IBM Power System E1080 (9080-HEX)\n\n\nCustomers with the products below should install  FW1060.81(1060_191), or newer to remediate this vulnerability.\nPower 10\n\n * IBM Power System S1022 (9105-22A)\n * IBM Power System S1024 (9105-42A)\n * IBM Power System S1022s (9105-22B)\n * IBM Power System S1014 (9105-41B)\n * IBM Power System L1022 (9786-22H)\n * IBM Power System L1024 (9786-42H)\n * IBM Power System E1050 (9043-MRX)\n * IBM Power System S1012 (9028-21B)\n\n\nCustomers with the products below should install FW950.H3(950_230) or newer to remediate this vulnerability.\nPower 9\n\n * IBM Power System S922 (9009-22G)\n * IBM Power System H922 (9223-22S)\n * IBM Power System S914 (9009-41G)\n * IBM Power System S924 (9009-42G)\n * IBM Power System H924 (9223-42S)\n * IBM Power System E950 (9040-MR9)\n * IBM Power System E980 (9080-M9S)\n\n\nCustomers with the products below should install OP940.a2 or newer to remediate this vulnerability.\nPower 9\n\n * IBM Power System AC922 (8335-GTH, 8335-GTX)\n\n\nCustomers with the products below should install OP940.82 or newer to remediate this vulnerability.\nPower Hardware Management Console\n\n * IBM Power Hardware Management Console (7063-CR2)\n\n\nThe images mentioned above can be located at IBM Fix Central : https://www.ibm.com/support/fixcentral/ https://www.ibm.com/support/fixcentral/","supportingMedia":[{"type":"text/html","base64":false,"value":"

Customers with the products below should install FW1110.31(1110_134), FW1120.01(1120_167), or newer to remediate this vulnerability.
Power 11

  1. IBM Power System E1180 (9080-HEU)

Customers with the products below should install FW1110.31(1110_155), FW1120.01(1120_190), or newer to remediate this vulnerability.
Power 11

  1. IBM Power System S1122 (9824-22A)
  2. IBM Power System S1124 (9824-42A)
  3. IBM Power System S1122s (9824-22B)
  4. IBM Power System S1114 (9824-41B)
  5. IBM Power System L1122 (9856-22H)
  6. IBM Power System L1124 (9856-42H)
  7. IBM Power System E1150 (9043-MRU)

Customers with the products below should install FW1120.01(1120_190), or newer to remediate this vulnerability.

Power 11

  1. IBM Power System S1112 (9242-21B, 9242-21T)


Customers with the products below should install FW1060.81(1060_184), or newer to remediate this vulnerability.
Power 10

  1. IBM Power System E1080 (9080-HEX)

Customers with the products below should install  FW1060.81(1060_191), or newer to remediate this vulnerability.
Power 10

  1. IBM Power System S1022 (9105-22A)
  2. IBM Power System S1024 (9105-42A)
  3. IBM Power System S1022s (9105-22B)
  4. IBM Power System S1014 (9105-41B)
  5. IBM Power System L1022 (9786-22H)
  6. IBM Power System L1024 (9786-42H)
  7. IBM Power System E1050 (9043-MRX)
  8. IBM Power System S1012 (9028-21B)

Customers with the products below should install FW950.H3(950_230) or newer to remediate this vulnerability.
Power 9

  1. IBM Power System S922 (9009-22G)
  2. IBM Power System H922 (9223-22S)
  3. IBM Power System S914 (9009-41G)
  4. IBM Power System S924 (9009-42G)
  5. IBM Power System H924 (9223-42S)
  6. IBM Power System E950 (9040-MR9)
  7. IBM Power System E980 (9080-M9S)

Customers with the products below should install OP940.a2 or newer to remediate this vulnerability.
Power 9

  1. IBM Power System AC922 (8335-GTH, 8335-GTX)

Customers with the products below should install OP940.82 or newer to remediate this vulnerability.
Power Hardware Management Console

  1. IBM Power Hardware Management Console (7063-CR2)

The images mentioned above can be located at IBM Fix Central : https://www.ibm.com/support/fixcentral/

"}]}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-21T16:07:49.479768Z","id":"CVE-2026-17429","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-21T16:14:54.757Z"}}]}}