Vulnerability · Published Aug 5, 2026 · Assigned by ProgressSoftware
CVE-2026-8709Privilege escalation in Progress MarkLogic Server REST document patch operation
Critical 9.9
In plain English
A critical-severity privilege mismanagement 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 0.5% (higher than 40% of all known vulnerabilities).
Severity (CVSS 3.1)9.9Critical
Exploit odds (30 days)0.5%top 59.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
An improper privilege management vulnerability in the REST API document patch operation of Progress MarkLogic Server before 11.3.6 and 12.0.3 allows an authenticated user with a low-privileged REST role to escalate privileges and execute privileged operations against the Security database.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Progress Software Corporation | MarkLogic Server | 11.0.0 – before 11.3.612.0.0 – before 12.0.3 |
Weakness: CWE-269 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H