CVE-2026-77816 (GCVE-0-2026-77816)
Vulnerability from cvelistv5
Published
2026-10-13 20:15
Modified
2026-10-14 16:54
CWE
  • CWE-295 - 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.
References
Impacted products
Vendor Product Version
IBM WebSphere Application Server - Liberty Version: 17.0.0.3   ≤ 26.0.0.9
    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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                "id": "CVE-2026-77816",
                "options": [
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                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
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                "role": "CISA Coordinator",
                "timestamp": "2026-10-14T16:54:33.841408Z",
                "version": "2.0.3"
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          ],
          "product": "WebSphere Application Server - Liberty",
          "vendor": "IBM",
          "versions": [
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      "metrics": [
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          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
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            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
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      "providerMetadata": {
        "dateUpdated": "2026-10-13T20:15:07.289Z",
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              "value": "\u003cp\u003eIBM strongly recommends addressing the vulnerabilities now by applying the fix pack(s) listed below.\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eFor IBM WebSphere Application Server Liberty 17.0.0.3 - 26.0.0.9:\u003c/strong\u003e\u003cbr/\u003e\u00b7 Apply Liberty Fix Pack \u003ca href=\"https://www.ibm.com/support/pages/node/7289741\" rel=\"nofollow\"\u003e26.0.0.10\u003c/a\u003e (availability October 2026) or later fix pack.\u00a0\u003c/p\u003e"
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      "title": "IBM WebSphere Application Server Liberty Improper Certificate Validation"
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    "dateReserved": "2026-08-21T14:21:33.569Z",
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