UpHeron
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Servers and applications

CVE-2026-90907

Joomla! Core - [20260902] - Core - Unauthorized user account creation via profile.save controller in Joomla 1.5.0-5.4.8, 6.0.0-6.1.3 - The profile.save controller did not check the login state of a user, allowing the creation of guest-level users on sites without active user registration.

Severity
Medium 6.9
Published
29 Sept 2026
Last changed
6 Oct 2026
Added to UpHeron
21 Oct 2026
Fixed in
5.4.8, 6.1.3
Sources
NVD

Affected software

SoftwareAffected versions
Joomla!Servers and applications · cpe:a:joomla:joomla\!
  • From 1.5.0 before 5.4.8
  • From 6.0.0 before 6.1.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-90907
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-90907