CVE-2026-7557

CRITICAL
INFO Priority: 0.04 BB Relevance: 78/100
Published: 2026-08-05 Modified: 2026-10-24 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: High
I: High
A: None

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.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
progress marklogic_server < 11.3.6
progress marklogic_server 12.0.0 – 12.0.3

Bug Bounty Relevance

78 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.1 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS — Exploitation Probability

0.46%
Raw Score 0.004620
Percentile 40.0%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00462
2026-10-28
0.00462

Intelligence Sources

nvd ref →