CVE-2026-18531

{
  "id": "CVE-2026-18531",
  "sourceIdentifier": "[email protected]",
  "published": "2026-08-05T16:16:54.290",
  "lastModified": "2026-10-23T21:10:00.157",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM Maximo Application Suite 9.2, 9.1, and 9.0 could allow a remote attacker to tamper with session data due to the use of a weak HMAC session signing secret."
    },
    {
      "lang": "es",
      "value": "IBM Maximo Application Suite 9.2, 9.1 y 9.0 podría permitir a un atacante remoto manipular datos de sesión debido al uso de un secreto de firma de sesión HMAC débil."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "IBM",
          "product": "Maximo Application Suite",
          "cpes": [
            "cpe:2.3:a:ibm:maximo_application_suite:9.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:maximo_application_suite:9.2.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:maximo_application_suite:9.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:maximo_application_suite:9.1.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:maximo_application_suite:9.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:maximo_application_suite:9.0.0:*:*:*:*:*:*:*"
          ],
          "versions": [
            {
              "version": "9.2",
              "status": "affected"
            },
            {
              "version": "9.1",
              "status": "affected"
            },
            {
              "version": "9.0",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-08-06T14:26:06.849869Z",
          "id": "CVE-2026-18531",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-330"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ibm:maximo_application_suite:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "9.0",
              "versionEndExcluding": "9.0.28",
              "matchCriteriaId": "663EE5F0-7A05-4F55-9481-4A78D3D27D1B"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ibm:maximo_application_suite:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "9.1",
              "versionEndExcluding": "9.1.20",
              "matchCriteriaId": "AF02DDF1-77F3-47AC-B40C-21E2AF7BF6C1"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:ibm:maximo_application_suite:9.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "7B4E3EAB-88C1-4E7C-A169-8EBBE2096B3D"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.ibm.com/support/pages/node/7282362",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}