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CVE-2026-94109high8.6

openEQUELLA < 2026.1.0 Authenticated Stored SSTI via FreemarkerPortletRenderer

Impact

openEQUELLA before version 2026.1.0 has an authenticated stored server-side template injection vulnerability, allowing non-guest users to inject malicious FreeMarker payloads. The vulnerability occurs in FreemarkerPortletRenderer.renderHtml() and may execute in the application server process context.

Summarized by @cf/meta/llama-3.3-70b-instruct-fp8-fast. Verify details against the original sources.

What to do

Deployments that can't upgrade immediately should firewall or VPN the /invoker/* endpoints and restrict them to only those who genuinely need access.

VulnCheck guidance

Affected packages

This source has no supported package-version data for matching. You can read the advisory here, but this record alone cannot power a dependency check.

Affected products

Vendor version evidence. Product records are separate from automatic dependency matching.

openequella · VulnCheck

openEQUELLA

2 ranges
VulnCheck version evidence

Package identity

pkg:github/openequella/openEQUELLA

Identity supplied by VulnCheck. Version matching requires compatible range evidence.

Compare with this publisher’s ranges. This does not inspect your installation.

affected

0 → before 2026.1.0

semver versions

unaffected

2026.1.0

semver versions

unknown

Other versions: unaffected

Original source description

openEQUELLA before 2026.1.0 contains an authenticated stored server-side template injection vulnerability in FreemarkerPortletRenderer.renderHtml() that allows any authenticated non-guest user to achieve remote code execution by storing a malicious FreeMarker payload through a POST request to the RemotePortletService invoker endpoint. The markup field from stored portlet configuration is passed directly to custFactory.createResult() without a TemplateClassResolver restriction or FreeMarker sandboxing in BasicConfiguration, leaving built-ins such as ?new and freemarker.template.utility.Execute available, causing the payload to execute in the application server process context when any user renders a dashboard containing the affected portlet.

Inside the record

Evidence available

Package identity
Version evidence
Remediation guidance
Weakness classification
Additional publishers

Describes the evidence in this view, not whether the product is safe.

Original records

CVE-2026-94109

View the latest unmodified CVE JSON from the official source. It may be newer than this imported page.

cve.new JSON →

Underlying weaknesses

The source’s classification of what caused the vulnerability.

CWE-1336 ↗

Improper Neutralization of Special Elements Used in a Template Engine

VulnCheck

Related →
Contributing organizations · 2
VulnCheck

Assigning organization

2026-10-29
CISA-ADP

Additional data publisher

2026-09-24

What changed

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Large field values are marked as truncated previews. Original source snapshots remain retained.

References

5 sources
github.com/openequella/openEQUELLA/commit/d6e165afc986f8a3ed912cdb367d5ad8c1eeab5c
patchVulnCheck
github.com/openequella/openEQUELLA/security/advisories/GHSA-62g6-mmp6-9wv2
vendor-advisoryVulnCheck
blog.evan.lat/posts/openeq
technical-descriptionVulnCheck
github.com/openequella/openEQUELLA/releases/tag/2026.1.0
release-notesVulnCheck
www.vulncheck.com/advisories/openequella-authenticated-stored-ssti-via-freemarkerportletrenderer
third-party-advisoryVulnCheck