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HIGH

CVE-2026-94109

openEQUELLA before 2026.1.0 Remote Code Execution via FreeMarker Template Injection

CVSS v3

8.8

HIGH

EPSS Score

0.8 %

exploit probability, as of 2026-09-28

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

openEQUELLA versions before 2026.1.0 contain a remote code execution vulnerability in FreeMarker template compilation due to an unsandboxed TemplateClassResolver configuration. Authenticated attackers can inject malicious template expressions through collection summaries, dashboard portlets, or MIME templates to instantiate dangerous classes like freemarker.template.utility.Execute and invoke Runtime.exec for arbitrary command execution.

Technical details

Published
2026-09-20
Last Modified
2026-09-20

Frequently asked questions

What is CVE-2026-94109?

openEQUELLA versions before 2026.1.0 contain a remote code execution vulnerability in FreeMarker template compilation due to an unsandboxed TemplateClassResolver configuration. Authenticated attackers can inject malicious template expressions through collection summaries, dashboard portlets, or MIME templates to instantiate dangerous classes like freemarker.template.utility.Execute and invoke Runtime.exec for arbitrary command execution.

Is CVE-2026-94109 actively exploited?

Active exploitation of CVE-2026-94109 has not been confirmed. Its EPSS score was 0.8% on 2026-09-28, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-94109?

CVE-2026-94109 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2026-94109 affecting your environment?

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