{"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": "<p>IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to identity spoofing.</p>"}]}], "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\u00b7 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\u00b7 Apply Fix Pack 9.0.5.29 or later (targeted availability 3Q2026).\u00a0\n\n\n\nFor V8.5.0.0 through 8.5.5.29:\n\u00b7 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\u00b7 Apply Fix Pack 8.5.5.30 or later (targeted availability 3Q2026).\u00a0\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": "<p>IBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the fix for APAR PH71422.</p><p><strong>For IBM WebSphere Application Server traditional:</strong></p><p><strong>For V9.0.0.0 through 9.0.5.28:</strong><br>\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves <a href=\"https://www.ibm.com/support/pages/node/7274652\" rel=\"nofollow\">PH71422</a><br>--OR--<br>\u00b7 Apply Fix Pack 9.0.5.29 or later (targeted availability 3Q2026).&nbsp;</p><p><strong>For V8.5.0.0 through 8.5.5.29:</strong><br>\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves <a href=\"https://www.ibm.com/support/pages/node/7274652\" rel=\"nofollow\">PH71422</a><br>--OR--<br>\u00b7 Apply Fix Pack 8.5.5.30 or later (targeted availability 3Q2026).&nbsp;</p><p></p><p>Additional interim fixes may be available and linked off the interim fix download page.</p>"}]}], "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"}}]}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to identity spoofing."}], "id": "CVE-2026-8644", "lastModified": "2026-06-02T14:01:26.667", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.2, "source": "psirt@us.ibm.com", "type": "Primary"}]}, "published": "2026-06-01T19:16:55.097", "references": [{"source": "psirt@us.ibm.com", "url": "https://www.ibm.com/support/pages/node/7274740"}], "sourceIdentifier": "psirt@us.ibm.com", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-290"}], "source": "psirt@us.ibm.com", "type": "Primary"}]}

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