CVE-2026-105459

Full vulnerability record from the local CVENow database.

Description

IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow an attacker to gain unauthorized access to an organization due to improper verification of a cryptographic signature. A token is accepted without its signature being fully verified, which could allow an attacker to join an organization without a valid invitation.

Severity

MEDIUM

CVSS score

6.8 (v3.1)

Vulnerability status

Awaiting Analysis

Source identifier

[email protected]

Published

2026-11-07 05:18:00.013000

Last modified

2026-11-07 05:18:00.150000

View original CVE JSON

{
  "id": "CVE-2026-105459",
  "sourceIdentifier": "[email protected]",
  "published": "2026-11-07T05:18:00.013",
  "lastModified": "2026-11-07T05:18:00.150",
  "vulnStatus": "Awaiting Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow an attacker to gain unauthorized access to an organization due to improper verification of a cryptographic signature. A token is accepted without its signature being fully verified, which could allow an attacker to join an organization without a valid invitation."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "IBM",
          "product": "API Connect",
          "cpes": [
            "cpe:2.3:a:ibm:api_connect:12.1.0.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:api_connect:12.1.1.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:api_connect:10.0.8.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:ibm:api_connect:10.0.8.12:*:*:*:*:*:*:*"
          ],
          "versions": [
            {
              "version": "12.1.0.0",
              "lessThanOrEqual": "12.1.1.2",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "10.0.8.0",
              "lessThanOrEqual": "10.0.8.12",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 4.0
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-347"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.ibm.com/support/pages/node/7295635",
      "source": "[email protected]"
    },
    {
      "url": "https://www.ibm.com/support/pages/node/7295637",
      "source": "[email protected]"
    }
  ]
}