CVE-2026-85969 Progress MarkLogic Server - Out of Bounds Read/Write

Progress MarkLogic Server < 12.1.0 and < 11.3.7 contain an out-of-bounds write vulnerability in language-processing functionality, letting remote authenticated attackers cause server instability or limited data modification.

CVSS base score 7.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.24% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Out of Bounds Read/Write
Impact
Denial Of Service, Data Tampering
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Published
12 October 2026
Updated
15 October 2026
Weakness
CWE-787

Vendor fix

Upgrade to version 12.1.0 or 11.3.7 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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