What is CVE-2026-45434?

CVE-2026-45434 is a critical-severity vulnerability in Apache Ofbiz, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-05-19.

How severe is CVE-2026-45434?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Apache Ofbiz

CVE-2026-45434

Improper Authentication vulnerability in Apache OFBiz via Password-Change Logic Flaw Leading to Remote Code Execution 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 2026-10-14.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (69.7th percentile), scored 2026-10-19.

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.224 · newest: 0.013 · change: -0.211

Affected products

Apache Ofbiz
Apache Software Foundation Ofbiz — versions 0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

lists.apache.org/thread/yw4owrzl0yho1yx7oqxvr6xjkmln9tq8 (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2026-45434?: CVE-2026-45434 is a critical-severity vulnerability in Apache Ofbiz, classified under Improper Authentication. CVSS score: 9.8/10. Published 2026-05-19.
How severe is CVE-2026-45434?: Critical severity. CVSS v3 base score is 9.8 out of 10.