CVE-2026-85951: Server-side request forgery in Progress MarkLogic Server Azure deployments

Severity: high (CVSS 8.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-12 · updated 2026-10-15
Weakness: CWE-918

Description

Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7 on Azure contain a server-side request forgery vulnerability that could allow an authenticated attacker to access internal cloud services, potentially resulting in unauthorized access to cloud credentials or tokens.

Affected products

Progress Software Corporation MarkLogic Server: from 11.0.0 before 11.3.7; from 12.0.0 before 12.1.0 — fixed in 11.3.7, 12.1.0

How to fix

Upgrade to a fixed version: Progress Software Corporation MarkLogic Server 11.3.7, 12.1.0. Check the vendor advisory for mitigations.

References

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

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