IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.10 and IBM WebSphere Application Server 8.5, and 9.0 could allow a remote attacker to bypass cryptographic signature verification due to improper verification of cryptographic signature.
"}]}],"references":[{"url":"https://www.ibm.com/support/pages/node/7292235","tags":["vendor-advisory","patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE","baseSeverity":"HIGH","baseScore":8.7,"vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N"}}],"solutions":[{"lang":"en","value":"IBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the fix for APAR DT502997 or DT503882. To determine if a feature is enabled for WebSphere Application Server Liberty, refer to How to determine if Liberty is using a specific feature https://www.ibm.com/support/pages/node/6553910 . \n\n\n\nFor IBM WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.10:\n\n\n\n· Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves DT502997 https://www.ibm.com/support/pages/node/7291745 \n--OR--\n· Apply Fix Pack 26.0.0.11 or later (targeted availability 4Q2026).\n\n\n\n\n\nFor IBM WebSphere Application Server traditional:\n\n\n\nFor V9.0.0.0 through 9.0.5.29:\n· Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves DT503882 https://www.ibm.com/support/pages/node/7291698 \n--OR--\n· Apply Fix Pack 9.0.5.30 or later (targeted availability 4Q2026). \n\n\n\nFor V8.5.0.0 through 8.5.5.31:\n· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix that resolves DT503882 https://www.ibm.com/support/pages/node/7291698 \n--OR--\n· Apply Fix Pack 8.5.5.32 or later (targeted availability 4Q2026).\n\n\n\n\n\n\n\nAdditional interim fixes may be available and linked off the interim fix download page.","supportingMedia":[{"type":"text/html","base64":false,"value":"IBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the fix for APAR DT502997 or DT503882. To determine if a feature is enabled for WebSphere Application Server Liberty, refer to How to determine if Liberty is using a specific feature.
For IBM WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.10:
· Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves DT502997
--OR--
· Apply Fix Pack 26.0.0.11 or later (targeted availability 4Q2026).
For IBM WebSphere Application Server traditional:
For V9.0.0.0 through 9.0.5.29:
· Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves DT503882
--OR--
· Apply Fix Pack 9.0.5.30 or later (targeted availability 4Q2026).
For V8.5.0.0 through 8.5.5.31:
· Upgrade to minimal fix pack levels as required by interim fix and then apply Interim Fix that resolves DT503882
--OR--
· Apply Fix Pack 8.5.5.32 or later (targeted availability 4Q2026).
Additional interim fixes may be available and linked off the interim fix download page.
"}]}]},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-14T14:16:10.221055Z","id":"CVE-2026-101294","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-14T14:16:19.586Z"}}]}}