High severity8.8NVD Advisory· Published Sep 20, 2026
CVE-2026-94109
CVE-2026-94109
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.
Patches
Vulnerability mechanics
References
6- github.com/openequella/openEQUELLA/blob/8bd24b1dcf26cc3d74757e6b982fc1971a7d6767/Source/Plugins/Core/com.equella.core/src/com/tle/core/entity/service/impl/AbstractEntityServiceImpl.javanvd
- github.com/openequella/openEQUELLA/blob/8bd24b1dcf26cc3d74757e6b982fc1971a7d6767/Source/Plugins/Core/com.equella.core/src/com/tle/web/freemarker/BasicConfiguration.javanvd
- github.com/openequella/openEQUELLA/blob/8bd24b1dcf26cc3d74757e6b982fc1971a7d6767/Source/Plugins/Core/com.equella.core/src/com/tle/web/portal/standard/renderer/FreemarkerPortletRenderer.javanvd
- github.com/openequella/openEQUELLA/commit/d6e165afc986f8a3ed912cdb367d5ad8c1eeab5cnvd
- github.com/openequella/openEQUELLA/releases/tag/2026.1.0nvd
- www.vulncheck.com/advisories/openequella-before-2026.1.0-remote-code-execution-via-freemarker-template-injectionnvd
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