What is CVE-2026-48896?

CVE-2026-48896 is a high-severity vulnerability in Joomla Joomla\!, classified under Improper Authentication. CVSS score: 7.5/10. Published 2026-05-26.

How severe is CVE-2026-48896?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Joomla Joomla\!

CVE-2026-48896

Insufficient state checks lead to a vector that allows to bypass 2FA checks.

Vulnerability class: Broken Authentication

Published 2026-05-26 · last modified 2026-07-24.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.004 (27.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.001

Affected products

Joomla Joomla\!
Joomla! Project Cms — versions 4.0.0-5.4.5, 6.0.0-6.1.0

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

developer.joomla.org/security-centre/1043-20260511-core-mfa-authentication-bypa… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-48896?: CVE-2026-48896 is a high-severity vulnerability in Joomla Joomla\!, classified under Improper Authentication. CVSS score: 7.5/10. Published 2026-05-26.
How severe is CVE-2026-48896?: High severity. CVSS v3 base score is 7.5 out of 10.