CVE-2026-31380: Apache OFBiz: FreeMarker SSTI via Duplicate Parameter Sanitization Bypass

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-19 · updated 2026-10-14
Weakness: CWE-917

Description

Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection') vulnerability in Apache OFBiz. This issue affects Apache OFBiz: before 24.09.06. Users are recommended to upgrade to version 24.09.06, which fixes the issue.

Affected products

Apache Software Foundation Apache OFBiz: before 24.09.06 — fixed in 24.09.06

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache OFBiz 24.09.06. Check the vendor advisory for mitigations.

References

https://lists.apache.org/thread/v2brvq1tf4q491obkxv8p7fc5qfshc08
http://www.openwall.com/lists/oss-security/2026/05/19/19

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