Improper Verification of Cryptographic Signature in Progress MarkLogic Server
CVE-2026-7557

9.1CRITICAL

Key Information:

Vendor

Progress Software
Status
Marklogic Server
Vendor
CVE Published:
5 August 2026

What is CVE-2026-7557?

A vulnerability in the SAML authentication module of Progress MarkLogic Server enables an unauthenticated attacker to bypass authentication mechanisms and gain unauthorized access to the system. This flaw primarily impacts installations that utilize SAML single sign-on, allowing potential impersonation of any user, including those with administrative privileges. It is essential for users to apply the latest updates to safeguard against this security issue.

Affected Version(s)

MarkLogic Server 11.0.0 < 11.3.6

MarkLogic Server 12.0.0 < 12.0.3

References

https://community.progress.com/s/article/Marklogic-Critic...
vendor-advisory

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.