CVE-2026-94109

openEQUELLA < 2026.1.0 Authenticated Stored SSTI via FreemarkerPortletRenderer

HIGH
8
CVSS Score
Published: September 20, 2026 at 11:33 AM UTC
Updated: October 29, 2026 at 01:17 PM UTC
1 product affected across 1 vendoropenEQUELLA

Using openEQUELLA by openequella?

Get instant alerts when new vulnerabilities affect openEQUELLA - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
HIGH8
Exploit prediction
EPSS 0.8%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions
Vendor states this is fixed in 2026.1.0 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8HIGHVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-1336

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card