Authentication Validation Weakness in Progress MarkLogic Server
CVE-2026-85958

7.5HIGH

Key Information:

Vendor

Progress Software
Status
Marklogic Server
Vendor
CVE Published:
12 October 2026

What is CVE-2026-85958?

Progress MarkLogic Server versions prior to 12.1.0 for 12.x and 11.3.7 for 11.x contain a vulnerability in authentication validation. This flaw enables attackers to exploit the system by using tokens that should otherwise be rejected, potentially leading to unauthorized access and manipulation of sensitive data. It is crucial for users to apply necessary patches and updates to mitigate this risk.

Affected Version(s)

MarkLogic Server 11.0.0 < 11.3.7

MarkLogic Server 12.0.0 < 12.1.0

References

https://community.progress.com/s/article/Marklogic-Critic...
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

HealthStone69 via Bugcrowd
.