CVE-2026-7557 | BDVDB-2026-355292 Detail

Progress SoftwareMarkLogic Server

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact none. Attack vector: network.

Weaknesses#

CWE-347 Improper Verification of Cryptographic Signature

References#

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

Exploit#

No public exploit known

History#

Version 12026-08-05Record published in the CVE List.
Version 22026-08-07Most recent update recorded in the CVE List.

Published

Published: 2026-08-05
Last modified: 2026-08-07

Vendor information

Vendor: Progress Software
Product: MarkLogic Server

All Progress Software vulnerabilities

Score

9.1 Critical

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 40.4.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 11.0.0 and < 11.3.6
Fixed
11.3.6
Vulnerable
>= 12.0.0 and < 12.0.3
Fixed
12.0.3

Scoring System

CVSS v4.0

Not available

CVSS v3.1

9.1 Critical

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).