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Vulnerability record · CVE-2026-7557 · published 5 August 2026

CVE-2026-7557: Progress marklogic server improper verification of cryptographic signature vulnerability

Progress · Marklogic Server

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.

9.1 CVSS 3.1 Critical EPSS 0.46% · top 62.5% CWE-347 · Improper verification of cryptographic signature
9.1CVSS 3.1 base score
0.46%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
3 Sep 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-7557), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.