Vulnerability · Published Oct 12, 2026 · Assigned by ProgressSoftware

CVE-2026-85962Improper authentication in Progress MarkLogic Server SAML processing

High 7.5

In plain English

A high-severity improper authentication in MarkLogic Server from Progress Software Corporation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 24% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)0.3%top 75.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7 contain an improper authentication vulnerability in SAML processing. In deployments that use SAML authentication, an unauthenticated remote attacker could cause the affected server to accept an assertion that should be rejected, potentially resulting in unauthorized access.

Affected products (as reported)

Vendor	Product	Versions
Progress Software Corporation	MarkLogic Server	11.0.0 – before 11.3.712.0.0 – before 12.1.0

Weakness: CWE-287, CWE-347 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References

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