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CVE-2026-64797HighCVSS 7.5CVE published 22 July 2026Added to mySites.guru 22 July 2026

Regular Labs IP Login (iplogin) <= 6.2.5 - Client-IP Spoofing and Weak Login Key Entropy (account impersonation)

Regular Labs IP Login up to and including 6.2.5. IP Login trusted forwarded client-IP headers without requiring a configured trusted proxy, so an attacker could spoof the IP used for automatic login and impersonate the mapped account (CVE-2026-64797). Persistent URL login keys were also generated with a non-cryptographic random generator with insufficient entropy, making them guessable (CVE-2026-64798). Also affected by CVE-2026-63265. Fixed in the Regular Labs security release of 22 July 2026 (7.0.0).

Is my site affected?

Affected
Regular Labs IP Login up to and including 6.2.5
Fixed in
A release after 6.2.5
What to do
Update Regular Labs IP Login to the newest release from the vendor. This flaw covers versions up to 6.2.5, so any later release is outside it.
Check whether your sites are affected

How CVE-2026-64797 is scored

The base metrics as CISA-ADP published them, and what each one means for a site running an affected version. Threat and environmental metrics are left out: they describe a moment or a particular install rather than the flaw.

7.5 High

CVSS 3.1, scored by CISA-ADP
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

How it is reached

AV:N Attack vector
Network. Reachable across the internet
AC:L Attack complexity
Low. Nothing to work around, it just works
PR:N Privileges required
None. No account needed
UI:N User interaction
None. Nobody has to be tricked into anything
S:U Scope
Unchanged. Contained to the extension it is in

What it does

C:N Confidentiality
None. Nothing can be read
I:H Integrity
High. Data and files can be altered at will
A:N Availability
None. The site stays up

Timeline

  1. 22 July 2026CVE-2026-64797 record published by its CNA
  2. 22 July 2026mySites.guru check added for Regular Labs IP Login (up to and including 6.2.5)
  3. 22 July 2026We published: Regular Labs Patched Its Whole Joomla Extension Catalogue at Once

Rule details

Our disclosure post

Regular Labs Patched Its Whole Joomla Extension Catalogue at Once

Regular Labs Patched Its Whole Joomla Extension Catalogue at Once

Regular Labs shipped a security-hardening update across its Joomla extension range on 22 July 2026: SSRF, command injection, stored XSS and more. No CVEs.

Other vulnerabilities in Regular Labs IP Login

Updating for CVE-2026-64797 alone can leave a site on a release another rule still matches. These are the other flaws we check for in the same extension.

Regular Labs IP Login

References

CVE-2026-64797 questions

Which versions are affected by CVE-2026-64797?
CVE-2026-64797 affects Regular Labs IP Login up to and including 6.2.5.
How do I fix CVE-2026-64797?
Update Regular Labs IP Login to the newest release from the vendor. This flaw covers versions up to 6.2.5, so any later release is outside it.
How severe is CVE-2026-64797?
CISA-ADP scores it 7.5 (High) under CVSS 3.1. In plain terms: reachable across the internet, no account needed and nobody has to be tricked into anything.

Running an affected version on a site you manage?

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This check is part of the mySites.guru Joomla vulnerability scanner, which reads every installed extension's version on each audit. Browse the rest of the Joomla vulnerability database.

Rules current as of 5 October 2026.