CVE-2026-5516

Full vulnerability record from the local CVENow database.

Description

IBM WebSphere Application Server - Liberty 22.0.0.11 through 26.0.0.5 IBM WebSphere Application Server Liberty could allow a remote attacker to bypass security under limited conditions by exploiting a specific timing window.

Severity

MEDIUM

CVSS score

5.9 (v3.1)

Vulnerability status

Modified

Source identifier

[email protected]

Published

2026-05-27 14:17:34.257000

Last modified

2026-10-26 11:10:00.157000

View original CVE JSON

{
  "id": "CVE-2026-5516",
  "sourceIdentifier": "[email protected]",
  "published": "2026-05-27T14:17:34.257",
  "lastModified": "2026-10-26T11:10:00.157",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM WebSphere Application Server - Liberty 22.0.0.11 through 26.0.0.5 IBM WebSphere Application Server Liberty could allow a remote attacker to bypass security under limited conditions by exploiting a specific timing window."
    },
    {
      "lang": "es",
      "value": "IBM WebSphere Servidor de Aplicaciones - Liberty 22.0.0.11 hasta 26.0.0.5 IBM WebSphere Servidor de Aplicaciones Liberty podría permitir a un atacante remoto eludir la seguridad bajo condiciones limitadas al explotar una ventana de tiempo específica."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "IBM",
          "product": "WebSphere Application Server - Liberty",
          "cpes": [
            "cpe:2.3:a:ibm:websphere_application_server___liberty:22.0.0.11:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:websphere_application_server___liberty:26.0.0.5:*:*:*:*:*:*:*"
          ],
          "versions": [
            {
              "version": "22.0.0.11",
              "lessThanOrEqual": "26.0.0.5",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N",
          "baseScore": 4.4,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "HIGH",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 0.7,
        "impactScore": 3.6
      },
      {
        "source": "[email protected]",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "baseScore": 5.9,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-05-27T14:43:39.839723Z",
          "id": "CVE-2026-5516",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ]
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-362"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:liberty:*:*:*",
              "versionStartIncluding": "22.0.0.11",
              "versionEndIncluding": "26.0.0.5",
              "matchCriteriaId": "FF8046DC-1C76-4D90-BBB1-24B1D5DCA273"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.ibm.com/support/pages/node/7273425",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}