{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-8644", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-05-14T20:28:37.520Z", "datePublished": "2026-06-01T17:46:04.519Z", "dateUpdated": "2026-06-01T19:32:31.456Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-06-01T17:46:04.519Z" }, "title": "IBM WebSphere Application Server is affected by an identity spoofing vulnerability", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-290", "description": "CWE-290 Authentication Bypass by Spoofing", "type": "CWE" } ] } ], "affected": [ { "vendor": "IBM", "product": "WebSphere Application Server", "versions": [ { "status": "affected", "version": "9.0", "lessThanOrEqual": "1.1.9.12", "versionType": "semver" }, { "status": "affected", "version": "8.5" } ], "cpes": [ "cpe:2.3:a:ibm:websphere_application_server:9.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:websphere_application_server:9.0.0:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:websphere_application_server:8.5:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:websphere_application_server:8.5.0:*:*:*:*:*:*:*" ] } ], "descriptions": [ { "lang": "en", "value": "IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to identity spoofing.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "

IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to identity spoofing.

" } ] } ], "references": [ { "url": "https://www.ibm.com/support/pages/node/7274740", "tags": [ "vendor-advisory", "patch" ] } ], "metrics": [ { "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ], "cvssV3_1": { "version": "3.1", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseSeverity": "CRITICAL", "baseScore": 9.1, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H" } } ], "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 PH71422.\n\n\n\nFor IBM WebSphere Application Server traditional:\n\n\n\nFor V9.0.0.0 through 9.0.5.28:\n· Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH71422 https://www.ibm.com/support/pages/node/7274652 \n--OR--\n· Apply Fix Pack 9.0.5.29 or later (targeted availability 3Q2026). \n\n\n\nFor V8.5.0.0 through 8.5.5.29:\n· Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH71422 https://www.ibm.com/support/pages/node/7274652 \n--OR--\n· Apply Fix Pack 8.5.5.30 or later (targeted availability 3Q2026). \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 PH71422.

For IBM WebSphere Application Server traditional:

For V9.0.0.0 through 9.0.5.28:
· Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH71422
--OR--
· Apply Fix Pack 9.0.5.29 or later (targeted availability 3Q2026). 

For V8.5.0.0 through 8.5.5.29:
· Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves PH71422
--OR--
· Apply Fix Pack 8.5.5.30 or later (targeted availability 3Q2026). 

Additional interim fixes may be available and linked off the interim fix download page.

" } ] } ], "x_generator": { "engine": "ibm-cvegen" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-06-01T19:32:21.917777Z", "id": "CVE-2026-8644", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "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": "2026-06-01T19:32:31.456Z" } } ] } }