CVE-2026-7557
Received Received - Intake

Improper Cryptographic Signature Verification in Progress MarkLogic Server

Publication date: 2026-08-05

Last updated on: 2026-08-05

Assigner: Progress Software Corporation

Description
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.

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Meta Information

Published
2026-08-05
Last Modified
2026-08-05
Generated
2026-08-05
AI Q&A
2026-08-05
EPSS Evaluated
N/A
NVD
CVE-2026-7557
EUVD
EUVD-2026-53424

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
progress marklogic_server to 12.0.3 (exc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-347 The product does not verify, or incorrectly verifies, the cryptographic signature for data.

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Executive Summary

This vulnerability is an improper verification of cryptographic signatures in the SAML authentication module of Progress MarkLogic Server versions before 11.3.6 and 12.0.3. It allows unauthenticated remote attackers to bypass authentication and impersonate any user, including administrators, when SAML single sign-on is enabled.

Detection Guidance

To detect this vulnerability, check if your MarkLogic Server version is before 11.3.6 or 12.0.3. Verify if SAML single sign-on is enabled. No specific commands are provided in the context.

Impact Analysis

An attacker could gain unauthorized access to sensitive data, perform administrative actions, or impersonate legitimate users. This could lead to data breaches, unauthorized modifications, or complete system compromise depending on the attacker's goals.

Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating GDPR's data protection requirements or HIPAA's safeguards for protected health information. Organizations may face legal penalties, fines, or reputational damage due to non-compliance.

Mitigation Strategies

Upgrade Progress MarkLogic Server to version 11.3.6, 12.0.3, or later to address the improper cryptographic signature verification in the SAML module.

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