Quick answers
- Is CVE-2026-8709 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-8709 being exploited in the wild.
- How severe is CVE-2026-8709?
- Critical severity, with a CVSS score of 9.9, published 5 August 2026.
- Which products and versions are affected?
- Progress Marklogic Server before 11.3.6 and before 12.0.3.
- Is there a fix for CVE-2026-8709?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-8709 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-8709?
- Check whether you run Progress Marklogic Server at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
This is an improper privilege management vulnerability in the REST API document patch operation of MarkLogic Server. An authenticated user with a low-privileged REST role can exploit insufficient authorization checks in the patch endpoint to escalate privileges and perform restricted operations against the Security database. The attack requires network access and valid authentication credentials but no additional user interaction. An attacker can bypass role-based access controls to execute privileged operations they should not have permission to perform. Patches are available in MarkLogic Server 11.3.6 and 12.0.3 or later.
Affected products
- Progress MarkLogic Server before 11.3.6 and before 12.0.3
Timeline
- 2026-08-05: disclosed