CVE-2026-0234

{
  "id": "CVE-2026-0234",
  "sourceIdentifier": "[email protected]",
  "published": "2026-04-13T08:16:22.367",
  "lastModified": "2026-10-26T21:10:00.170",
  "vulnStatus": "Undergoing Analysis",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An improper verification of cryptographic signature vulnerability exists in Cortex XSOAR and Cortex XSIAM platforms during integration of Microsoft Teams that enables an unauthenticated user to access and modify protected resources."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de verificación incorrecta de firma criptográfica existe en las plataformas Cortex XSOAR y Cortex XSIAM durante la integración de Microsoft Teams que permite a un usuario no autenticado acceder y modificar recursos protegidos."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Palo Alto Networks",
          "product": "Cortex XSOAR Microsoft Teams Marketplace",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "1.5.0",
              "lessThan": "1.5.52",
              "versionType": "custom",
              "status": "affected",
              "changes": [
                {
                  "at": "1.5.52",
                  "status": "unaffected"
                }
              ]
            }
          ]
        },
        {
          "vendor": "Palo Alto Networks",
          "product": "Cortex XSIAM Microsoft Teams Marketplace",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "1.5.0",
              "lessThan": "1.5.52",
              "versionType": "custom",
              "status": "affected",
              "changes": [
                {
                  "at": "1.5.52",
                  "status": "unaffected"
                }
              ]
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV40": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "4.0",
          "vectorString": "CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:M/U:Red",
          "baseScore": 7.2,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "HIGH",
          "attackRequirements": "PRESENT",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "vulnConfidentialityImpact": "HIGH",
          "vulnIntegrityImpact": "HIGH",
          "vulnAvailabilityImpact": "HIGH",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "subAvailabilityImpact": "NONE",
          "exploitMaturity": "UNREPORTED",
          "confidentialityRequirement": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "Automatable": "NO",
          "Recovery": "USER",
          "valueDensity": "DIFFUSE",
          "vulnerabilityResponseEffort": "MODERATE",
          "providerUrgency": "RED"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "baseScore": 9.1,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.2
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-04-13T00:00:00+00:00",
          "id": "CVE-2026-0234",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-347"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:paloaltonetworks:cortex_xsiam:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "1.5.0",
              "versionEndExcluding": "1.5.52",
              "matchCriteriaId": "E801A883-959E-4752-8F35-EEDFD5089969"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:paloaltonetworks:cortex_xsoar:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "1.5.0",
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              "matchCriteriaId": "9E8A4503-1D45-42F8-A5BD-068BB42418CF"
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    }
  ],
  "references": [
    {
      "url": "https://security.paloaltonetworks.com/CVE-2026-0234",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}