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CVE-2026-7557— SAML authentication bypass in Progress MarkLogic Server

Quick assessment

Affected
Progress Software Corporation MarkLogic Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Progress MarkLogic Server是Progress公司的一款企业级数据库管理系统。 Progress MarkLogic Server 11.3.6之前版本和12.0.3之前版本存在加密问题漏洞，该漏洞源于SAML认证模块的加密签名验证不当，可能导致未经身份验证的远程攻击者绕过身份验证并冒充包括管理员在内的任何用户。

CVSS 9.1 · Critical EPSS 0.32% · P25

Possible ATT&CK Techniques 1 AI

T1199 · Trusted Relationship

Affected Version Matrix 2

VendorProduct Version RangeStatus
Progress Software Corporation MarkLogic Server 11.0.0< 11.3.6 affected
12.0.0< 12.0.3 affected
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I. Basic Information for CVE-2026-7557

Vulnerability Information
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Vulnerability Title
SAML authentication bypass in Progress MarkLogic Server
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Progress MarkLogic Server 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Progress MarkLogic Server是Progress公司的一款企业级数据库管理系统。 Progress MarkLogic Server 11.3.6之前版本和12.0.3之前版本存在加密问题漏洞，该漏洞源于SAML认证模块的加密签名验证不当，可能导致未经身份验证的远程攻击者绕过身份验证并冒充包括管理员在内的任何用户。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Progress Software Corporation MarkLogic Server 11.0.0 ~ 11.3.6 -

II. Public POCs for CVE-2026-7557

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III. Intelligence Information for CVE-2026-7557

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Vendor Advisories for CVE-2026-7557 (1)

Same Patch Batch · Progress Software Corporation · 2026-08-05 · 10 CVEs total

CVE-2026-7329 9.9 CRITICAL Privilege escalation in Progress MarkLogic Server REST query interfaces
CVE-2026-9193 9.9 CRITICAL Privilege escalation in Progress MarkLogic Server Hadoop integration
CVE-2026-8709 9.9 CRITICAL Privilege escalation in Progress MarkLogic Server REST document patch operation
CVE-2026-9192 9.8 CRITICAL Authentication bypass in Progress MarkLogic Server ODBC App Server
CVE-2026-9195 9.3 CRITICAL Cross-site scripting in Progress MarkLogic Server Query Console
CVE-2026-9190 9.1 CRITICAL HTTP request smuggling in Progress MarkLogic Server
CVE-2026-9203 8.5 HIGH Server-side request forgery in Progress MarkLogic Server
CVE-2026-7327 8.1 HIGH Privilege escalation in Progress MarkLogic Server REST API document processing
CVE-2026-7326 7.5 HIGH Cross-site request forgery in Progress MarkLogic Server Admin UI

IV. Related Vulnerabilities

Same product: MarkLogic Server
Same vendor: Progress Software Corporation
Same weakness: CWE-347

V. Comments for CVE-2026-7557

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