CVE-2026-77816 (GCVE-0-2026-77816)

Vulnerability from cvelistv5 – Published: 2026-10-13 20:15 – Updated: 2026-10-13 20:15
VLAI
Title
IBM WebSphere Application Server Liberty Improper Certificate Validation
Summary
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.
CWE
  • CWE-295 - Improper Certificate Validation
Assigner
ibm CNA under the mitre root
CNA scorecard B 88/100 over 1242 records in the last 180 days details
References
URL Tags
https://www.ibm.com/support/pages/node/7291394 vendor-advisorypatch
Impacted products
Vendor Product Version CPE status
IBM WebSphere Application Server - Liberty Affected: 17.0.0.3 , ≤ 26.0.0.9 (semver)
    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:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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  "containers": {
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      "affected": [
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          "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:*:*:*:*:*:*:*"
          ],
          "product": "WebSphere Application Server - Liberty",
          "vendor": "IBM",
          "versions": [
            {
              "lessThanOrEqual": "26.0.0.9",
              "status": "affected",
              "version": "17.0.0.3",
              "versionType": "semver"
            }
          ]
        }
      ],
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            }
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      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
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          "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\u00b7 Apply Liberty Fix Pack  26.0.0.10 https://www.ibm.com/support/pages/node/7289741  (availability October 2026) or later fix pack."
        }
      ],
      "title": "IBM WebSphere Application Server Liberty Improper Certificate Validation"
    }
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  "cveMetadata": {
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    "datePublished": "2026-10-13T20:15:07.289Z",
    "dateReserved": "2026-08-21T14:21:33.569Z",
    "dateUpdated": "2026-10-13T20:15:07.289Z",
    "state": "PUBLISHED"
  },
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        ],
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        "lastModified": "2026-10-13T21:18:21.033",
        "metrics": {
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        "published": "2026-10-13T21:18:21.033",
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            "url": "https://www.ibm.com/support/pages/node/7291394"
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        "vulnStatus": "Received",
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}



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