CVE-2026-64797 Joomla Extension - regularlabs.com - IP spoofing vulnerability in IP login extension

High 7.5 Published Updated

Attackers can spoof IP headers to bypass authentication and impersonate users in the Joomla IP Login extension.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-64797?

CVE-2026-64797 is a high-severity authentication bypass vulnerability in regularlabs.com IP Login extension for Joomla, published on 22 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Joomla Extension - regularlabs.com - IP spoofing vulnerability in IP login extension - IP Login trusted forwarded client-IP headers without requiring a configured trusted proxy. Attackers could spoof the IP used for automatic login and potentially impersonate mapped accounts.

Weakness: CWE-290

Which versions are affected by CVE-2026-64797?

How do I fix CVE-2026-64797?

No fix has been published for CVE-2026-64797 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-64797 being exploited?

There is no known exploitation of CVE-2026-64797 in the wild and no public exploit code.

Sources

Also known as GHSA-4hf8-pxr9-gc7w.

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