CVE-2026-9319 (GCVE-0-2026-9319)

Vulnerability from cvelistv5 – Published: 2026-06-01 17:59 – Updated: 2026-06-01 17:59
VLAI
Title
IBM WebSphere Application Server is affected by a remote code execution vulnerability
Summary
IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to potential remote code execution due to deserialization of untrusted data via JAX-WS endpoints with WS-Security.
CWE
  • CWE-502 - Deserialization of Untrusted Data
Assigner
ibm
References
URL Tags
https://www.ibm.com/support/pages/node/7274738 vendor-advisorypatch
Impacted products
Vendor Product Version
IBM WebSphere Application Server Affected: 9.0 , ≤ 1.1.9.12 (semver)
Affected: 8.5
    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:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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            "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:*:*:*:*:*:*:*"
          ],
          "product": "WebSphere Application Server",
          "vendor": "IBM",
          "versions": [
            {
              "lessThanOrEqual": "1.1.9.12",
              "status": "affected",
              "version": "9.0",
              "versionType": "semver"
            },
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            }
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
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              "description": "CWE-502 Deserialization of Untrusted Data",
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        "dateUpdated": "2026-06-01T17:59:43.755Z",
        "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
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              "value": "\u003cp\u003eIBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the fix for APAR PH71454.\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eFor IBM WebSphere Application Server traditional:\u003c/strong\u003e\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eFor V9.0.0.0 through 9.0.5.28:\u003c/strong\u003e\u003cbr\u003e\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves \u003ca href=\"https://www.ibm.com/support/pages/node/7274234\" rel=\"nofollow\"\u003ePH71454\u003c/a\u003e\u003cbr\u003e--OR--\u003cbr\u003e\u00b7 Apply Fix Pack 9.0.5.29 or later (targeted availability 3Q2026).\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u003cstrong\u003eFor V8.5.0.0 through 8.5.5.29:\u003c/strong\u003e\u003cbr\u003e\u00b7 Upgrade to minimal fix pack levels as required by the interim fix and then apply the Interim Fix that resolves \u003ca href=\"https://www.ibm.com/support/pages/node/7274234\" rel=\"nofollow\"\u003ePH71454\u003c/a\u003e\u003cbr\u003e--OR--\u003cbr\u003e\u00b7 Apply Fix Pack 8.5.5.30 or later (targeted availability 3Q2026).\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cp\u003eAdditional interim fixes may be available and linked off the interim fix download page.\u003c/p\u003e"
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          "value": "IBM strongly recommends addressing the vulnerability now by applying a currently available interim fix or fix pack that contains the fix for APAR PH71454.\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  PH71454 https://www.ibm.com/support/pages/node/7274234 \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  PH71454 https://www.ibm.com/support/pages/node/7274234 \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."
        }
      ],
      "title": "IBM WebSphere Application Server is affected by a remote code execution vulnerability",
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      }
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  "cveMetadata": {
    "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
    "assignerShortName": "ibm",
    "cveId": "CVE-2026-9319",
    "datePublished": "2026-06-01T17:59:43.755Z",
    "dateReserved": "2026-05-22T20:33:29.999Z",
    "dateUpdated": "2026-06-01T17:59:43.755Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-9319\",\"sourceIdentifier\":\"psirt@us.ibm.com\",\"published\":\"2026-06-01T19:16:55.680\",\"lastModified\":\"2026-06-01T19:16:55.680\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"IBM WebSphere Application Server 9.0, and 8.5 is vulnerable to potential remote code execution due to deserialization of untrusted data via JAX-WS endpoints with WS-Security.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"psirt@us.ibm.com\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H\",\"baseScore\":9.0,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.2,\"impactScore\":6.0}]},\"weaknesses\":[{\"source\":\"psirt@us.ibm.com\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-502\"}]}],\"references\":[{\"url\":\"https://www.ibm.com/support/pages/node/7274738\",\"source\":\"psirt@us.ibm.com\"}]}}"
  }
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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