Is CVE-2026-92227 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-92227 being exploited in the wild.

How severe is CVE-2026-92227?

Informational severity, published 29 September 2026.

Which products and versions are affected?

Joomla! Joomla Core CMS 4.0.0-5.4.8, 6.0.0-6.1.3.

Is there a fix for CVE-2026-92227?

A patch was published on 2026-09-25: Fixed in versions 5.4.9 and 6.1.4 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-92227 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2026-92227?

Check whether you run Joomla! Joomla Core CMS at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-92227: Joomla Core authentication bypass through premature rememberme cookies

CVE-2026-92227 · Severity: info · Published 2026-09-29

Joomla is a widely-used open-source content management system that powers millions of websites. This vulnerability allows attackers to bypass multi-factor authentication (MFA) by exploiting premature issuance of "remember me" cookies during the login process. An attacker can gain unauthorized access to user accounts and website administration without completing MFA verification.

Vendors: Joomla!.

Quick answers

Is CVE-2026-92227 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-92227 being exploited in the wild.
How severe is CVE-2026-92227?: Informational severity, published 29 September 2026.
Which products and versions are affected?: Joomla! Joomla Core CMS 4.0.0-5.4.8, 6.0.0-6.1.3.
Is there a fix for CVE-2026-92227?: A patch was published on 2026-09-25: Fixed in versions 5.4.9 and 6.1.4 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-92227 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-92227?: Check whether you run Joomla! Joomla Core CMS at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The vulnerability stems from premature issuance of rememberme cookies prior to MFA verification completion in the authentication flow. This affects Joomla 4.0.0–5.4.8 and 6.0.0–6.1.3, allowing an unauthenticated attacker on the network to obtain authenticated session cookies without completing MFA. The issue has been patched in versions 5.4.9 and 6.1.4.

Affected products

Joomla Joomla Core CMS 4.0.0-5.4.8, 6.0.0-6.1.3

Timeline

2026-09-29: disclosed
2026-09-25: patched: Fixed in versions 5.4.9 and 6.1.4

References

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