CVE-2026-7557

SAML authentication bypass in Progress MarkLogic Server

State: Published
Severity: 9.1 Critical
Published: Aug 5, 2026
Updated: Aug 7, 2026
Reserved: Apr 30, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	9.1 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N	ProgressSoftware

Weaknesses

CWE-347 Improper Verification of Cryptographic Signature

Affected Products

Product	Versions
MarkLogic ServerProgress Software Corporation	11.0.0 to before 11.3.6Affected 12.0.0 to before 12.0.3Affected

References

https://community.progress.com/s/article/Marklogic-Critical-Security-Alert-Bulletin-August-2026vendor-advisory

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