Out-of-bounds write in MarkLogic - CVE-2026-85969

 

Out-of-bounds write in MarkLogic - CVE-2026-85969

Published: October 12, 2026


Vulnerability identifier: #VU154142
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-85969
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote user to cause server instability or make limited modifications to data.

The vulnerability exists due to an out-of-bounds write in certain language-processing functionality when processing language input. A remote user can exploit the affected language-processing functionality to cause server instability or make limited modifications to data.


Affected software

MarkLogic

How to mitigate CVE-2026-85969

Install security update from vendor's website.

MarkLogic - addressed in versions 11.3.7, 12.1

External References

Related Security Bulletins