What is CVE-2026-31388?

CVE-2026-31388 is a medium-severity vulnerability in Apache Ofbiz, classified under Improper Access Control. CVSS score: 5.3/10. Published 2026-05-19.

How severe is CVE-2026-31388?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Apache Ofbiz

CVE-2026-31388

Improper Access Control vulnerability in Apache OFBiz in multi-tenant deployments. This issue affects Apache OFBiz: before 24.09.06. Users are recommended to upgrade to version 24.09.06, which fixes the issue.

Published 2026-05-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (43.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 43.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001

Affected products

Apache Ofbiz
Apache Software Foundation Ofbiz — versions 0

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

lists.apache.org/thread/npjchvnpnosoqpto46s2om12jd9s7py7 (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2026-31388?: CVE-2026-31388 is a medium-severity vulnerability in Apache Ofbiz, classified under Improper Access Control. CVSS score: 5.3/10. Published 2026-05-19.
How severe is CVE-2026-31388?: Medium severity. CVSS v3 base score is 5.3 out of 10.