CVE-2026-7557

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.

CVSS v3 9.1 CRITICAL

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-August-2026	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:progress:marklogic_server::::::::
	cpe:2.3:a:progress:marklogic_server::::::::

History

23 Oct 2026, 21:10

Type	Values Removed	Values Added
Summary		(es) 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.

Information

Published : 2026-08-05 16:17

Updated : 2026-10-24 13:10

NVD link : CVE-2026-7557

Mitre link : CVE-2026-7557

CVE.ORG link : CVE-2026-7557

JSON object : View

Products Affected

progress

marklogic_server

CWE

CWE-347

Improper Verification of Cryptographic Signature

{"id": "CVE-2026-7557", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-7557", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-08-06T00:00:00+00:00"}}], "cvssMetricV31": [{"type": "Secondary", "source": "security@progress.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security@progress.com", "affectedData": [{"vendor": "Progress Software Corporation", "product": "MarkLogic Server", "versions": [{"status": "affected", "version": "11.0.0", "lessThan": "11.3.6", "versionType": "custom"}, {"status": "affected", "version": "12.0.0", "lessThan": "12.0.3", "versionType": "custom"}], "defaultStatus": "unaffected"}]}], "published": "2026-08-05T16:17:09.437", "references": [{"url": "https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-August-2026", "tags": ["Vendor Advisory"], "source": "security@progress.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "security@progress.com", "description": [{"lang": "en", "value": "CWE-347"}]}], "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 verificaci\u00f3n incorrecta de firma criptogr\u00e1fica en el m\u00f3dulo de autenticaci\u00f3n SAML de Progress MarkLogic Server anterior a 11.3.6 y 12.0.3 permite a un atacante remoto no autenticado eludir la autenticaci\u00f3n e suplantar a cualquier usuario, incluyendo administradores. Esta vulnerabilidad afecta a las implementaciones con inicio de sesi\u00f3n \u00fanico SAML habilitado."}], "lastModified": "2026-10-24T13:10:00.147", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:progress:marklogic_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "10D63D90-CD8D-4F3F-A211-2E954FC03F62", "versionEndExcluding": "11.3.6"}, {"criteria": "cpe:2.3:a:progress:marklogic_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8345B0B6-9047-4E43-B89B-01FFB56CB733", "versionEndExcluding": "12.0.3", "versionStartIncluding": "12.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@progress.com"}