CVE-2026-90921

Status: Awaiting AnalysisHigh (7.5)—

Severity7.5High · CVSS 3.1

Exploitation probability0.31 %higher than 23% of CVEs

Active exploitationNonot in the CISA catalog

Public exploitNot knownno public code found

IBM Maximo AI Service 9.1.0, and 9.2.0 could allow a remote attacker to cause a denial of service due to improper handling of malformed frames, resulting in termination of the host process.

CVSS

Base score: 7.5
Version: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitation probability (EPSS)

Probability of exploitation in the next 30 days: 0.31 %
Percentile among all scored CVEs: 23
Score date: 10/20/2026

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

ATT&CK techniques

How this vulnerability is exploited and what the attacker gains, in MITRE ATT&CK terms.

ExploitationT1190 Exploit Public-Facing Applicationinitial access85 %
Primary impactT1499.004 Application or System Exploitationimpact90 %

Vector CVSS AV:N/PR:N/UI:N indica explotación remota sin privilegios (T1190). CWE-130 y descripción de 'improper handling of malformed frames causing process termination' evidencia DoS por consumo de recursos (T1499.004).

Inferred by our analysis agent from the official description, CVSS vector and CWE, and checked by a supervisor. May contain errors.

ATT&CK mitigations that cover these techniques

Filter Network Traffic Vulnerability Scanning Privileged Account Management Network Segmentation Limit Access to Resource Over Network Application Isolation and Sandboxing

Affected technologies (1)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

IBM — Maximo AI Service^AI

CWEs

CWE-130

References

Show 1 references

https://www.ibm.com/support/pages/node/7290473

Raw JSON (NVD)

Show

{
  "id": "CVE-2026-90921",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-90921",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2026-10-13T14:01:07.078038Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "psirt@us.ibm.com",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@us.ibm.com",
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:ibm:maximo_ai_service:9.1.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:maximo_ai_service:9.2.0:*:*:*:*:*:*:*"
          ],
          "vendor": "IBM",
          "product": "Maximo AI Service",
          "versions": [
            {
              "status": "affected",
              "version": "9.1.0"
            },
            {
              "status": "affected",
              "version": "9.2.0"
            }
          ]
        }
      ]
    }
  ],
  "published": "2026-10-12T22:17:05.813",
  "references": [
    {
      "url": "https://www.ibm.com/support/pages/node/7290473",
      "source": "psirt@us.ibm.com"
    }
  ],
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "psirt@us.ibm.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-130"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM Maximo AI Service 9.1.0, and 9.2.0 could allow a remote attacker to cause a denial of service due to improper handling of malformed frames, resulting in termination of the host process."
    }
  ],
  "lastModified": "2026-10-13T16:17:14.080",
  "sourceIdentifier": "psirt@us.ibm.com"
}