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CVE-2026-8709

Progress Marklogic Server privilege escalation

9.9 CRITICALEPSS 0.46%
  1. Published5 Aug 2026

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

Progress Marklogic Server≥ 12.0.0 < 12.0.3 · < 11.3.6

Remediation

Fixed in
Progress Marklogic Server≥ 12.0.3

References

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

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CVE-2026-859569.6
Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7…
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Progress MarkLogic Server 12.x releases before 12.1.0 and 11.x releases before 11.3.7…

Frequently asked

Is CVE-2026-8709 being actively exploited?

CVE-2026-8709 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.46%.

How severe is CVE-2026-8709?

CVE-2026-8709 has a CVSS 3.1 base score of 9.9, rated critical. EPSS estimates a 0.46% probability of exploitation.

Which products are affected by CVE-2026-8709?

Affected products include Progress Marklogic Server.

How do I fix CVE-2026-8709?

Upgrade affected software to a fixed version, for example Progress Marklogic Server 12.0.3 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-8709 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.