CVE-2026-7557

{
  "id": "CVE-2026-7557",
  "sourceIdentifier": "[email protected]",
  "published": "2026-08-05T16:17:09.437",
  "lastModified": "2026-10-24T13:10:00.147",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An improper verification of cryptographic signature vulnerability in the SAML authentication module of Progress MarkLogic Server before 11.3.6 and 12.0.3 allows an unauthenticated remote attacker to bypass authentication and impersonate any user, including administrators. This vulnerability affects deployments with SAML single sign-on enabled."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de verificación incorrecta de firma criptográfica en el módulo de autenticación SAML de Progress MarkLogic Server anterior a 11.3.6 y 12.0.3 permite a un atacante remoto no autenticado eludir la autenticación e suplantar a cualquier usuario, incluyendo administradores. Esta vulnerabilidad afecta a las implementaciones con inicio de sesión único SAML habilitado."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Progress Software Corporation",
          "product": "MarkLogic Server",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "11.0.0",
              "lessThan": "11.3.6",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "12.0.0",
              "lessThan": "12.0.3",
              "versionType": "custom",
              "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: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": "2026-08-06T00:00:00+00:00",
          "id": "CVE-2026-7557",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "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:progress:marklogic_server:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "11.3.6",
              "matchCriteriaId": "10D63D90-CD8D-4F3F-A211-2E954FC03F62"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:progress:marklogic_server:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "12.0.0",
              "versionEndExcluding": "12.0.3",
              "matchCriteriaId": "8345B0B6-9047-4E43-B89B-01FFB56CB733"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-August-2026",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}