{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-77816", "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "state": "PUBLISHED", "assignerShortName": "ibm", "dateReserved": "2026-08-21T14:21:33.569Z", "datePublished": "2026-10-13T20:15:07.289Z", "dateUpdated": "2026-10-14T16:54:53.451Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522", "shortName": "ibm", "dateUpdated": "2026-10-13T20:15:07.289Z" }, "title": "IBM WebSphere Application Server Liberty Improper Certificate Validation", "problemTypes": [ { "descriptions": [ { "lang": "en", "cweId": "CWE-295", "description": "CWE-295 Improper Certificate Validation", "type": "CWE" } ] } ], "affected": [ { "vendor": "IBM", "product": "WebSphere Application Server - Liberty", "versions": [ { "status": "affected", "version": "17.0.0.3", "lessThanOrEqual": "26.0.0.9", "versionType": "semver" } ], "cpes": [ "cpe:2.3:a:ibm:websphere_application_server_liberty:17.0.0.3:*:*:*:*:*:*:*", "cpe:2.3:a:ibm:websphere_application_server_liberty:26.0.0.9:*:*:*:*:*:*:*" ] } ], "descriptions": [ { "lang": "en", "value": "IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 administrative client could allow man-in-the-middle attacks. An attacker could exploit this vulnerability to obtain sensitive information.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "

IBM WebSphere Application Server - Liberty 17.0.0.3 through 26.0.0.9 administrative client could allow man-in-the-middle attacks. An attacker could exploit this vulnerability to obtain sensitive information.

" } ] } ], "references": [ { "url": "https://www.ibm.com/support/pages/node/7291394", "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": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseSeverity": "MEDIUM", "baseScore": 6.5, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N" } } ], "solutions": [ { "lang": "en", "value": "IBM strongly recommends addressing the vulnerabilities now by applying the fix pack(s) listed below.\n\n\n\nFor IBM WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.9:\n· Apply Liberty Fix Pack 26.0.0.10 https://www.ibm.com/support/pages/node/7289741 (availability October 2026) or later fix pack.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "

IBM strongly recommends addressing the vulnerabilities now by applying the fix pack(s) listed below.

For IBM WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.9:
· Apply Liberty Fix Pack 26.0.0.10 (availability October 2026) or later fix pack. 

" } ] } ] }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-14T16:54:33.841408Z", "id": "CVE-2026-77816", "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": "2026-10-14T16:54:53.451Z" } } ] } }