Progress MarkLogic Server up to 11.3.5/12.0.2 SAML Authentication signature verification

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k1.19

Summaryinfo

A vulnerability was found in Progress MarkLogic Server up to 11.3.5/12.0.2 and classified as critical. This affects an unknown part of the component SAML Authentication Module. Executing a manipulation can lead to signature verification. This vulnerability appears as CVE-2026-7557. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Progress MarkLogic Server up to 11.3.5/12.0.2. It has been declared as critical. This vulnerability affects an unknown code of the component SAML Authentication Module. The manipulation with an unknown input leads to a signature verification vulnerability. The CWE definition for the vulnerability is CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

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.

The advisory is available at community.progress.com. This vulnerability was named CVE-2026-7557 since 04/30/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 11.3.6 or 12.0.3 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Signature verification
CWE: CWE-347 / CWE-345
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: MarkLogic Server 11.3.6/12.0.3

Timelineinfo

04/30/2026 CVE reserved
08/05/2026 +97 days Advisory disclosed
08/05/2026 +0 days VulDB entry created
08/05/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: community.progress.com
Status: Confirmed

CVE: CVE-2026-7557 (🔒)
GCVE (CVE): GCVE-0-2026-7557
GCVE (VulDB): GCVE-100-386278

Entryinfo

Created: 08/05/2026 19:09
Changes: 08/05/2026 19:09 (54)
Complete: 🔍
Cache ID: 216::103

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