What is CVE-2026-31387?

CVE-2026-31387 is a medium-severity vulnerability in Apache Ofbiz, classified under Improper Authentication. CVSS score: 5.3/10. Published 2026-05-19.

How severe is CVE-2026-31387?

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

Auth bypass in Apache Ofbiz

CVE-2026-31387

Improper Authentication 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.

Vulnerability class: Broken Authentication

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: 0.006 (46.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001

Affected products

Apache Ofbiz
Apache Software Foundation Ofbiz — versions 0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

lists.apache.org/thread/3wgybgdvmbfvly24zm4sb4y53fc1pqcf (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2026-31387?: CVE-2026-31387 is a medium-severity vulnerability in Apache Ofbiz, classified under Improper Authentication. CVSS score: 5.3/10. Published 2026-05-19.
How severe is CVE-2026-31387?: Medium severity. CVSS v3 base score is 5.3 out of 10.