Vulnerability · Published Oct 12, 2026 · Assigned by ProgressSoftware

CVE-2026-85965Use-after-free in Progress MarkLogic Server JavaScript engine integration

High 8.0

In plain English

A high-severity use-after-free 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 0.2% (higher than 15% of all known vulnerabilities).

Severity (CVSS 3.1)8.0High
Exploit odds (30 days)0.2%top 85.0% 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 memory-safety defects in the JavaScript engine integration that could result in memory corruption, controlled process failure, or server instability.

Affected products (as reported)

VendorProductVersions
Progress Software Corporation MarkLogic Server 11.0.0 – before 11.3.712.0.0 – before 12.1.0

Weakness: CWE-416 · Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H

References