CVE-2026-64875: CWE-290 Authentication Bypass by Spoofing in regularlabs.com GeoIP extension for Joomla
Joomla Extension - regularlabs.com - IP spoofing vulnerability in GeoIP extension - GeoIP lookups trusted spoofable forwarded client-IP headers, this could cause GeoIP-rule bypass.
AI Analysis
Technical Summary
CVE-2026-64875 describes an authentication bypass vulnerability in the GeoIP extension for Joomla developed by regularlabs.com. The extension trusts client-IP headers that can be spoofed, allowing attackers to bypass GeoIP-based rules. This vulnerability affects versions 1.0.0 through 6.3.8. The issue is categorized under CWE-290, indicating an authentication bypass by spoofing. No official patch or remediation guidance is currently available, and there are no known exploits in the wild.
Potential Impact
The vulnerability allows attackers to spoof client IP addresses in forwarded headers, potentially bypassing GeoIP-based access controls or restrictions. This can lead to integrity issues by circumventing intended geographic restrictions and availability impacts if such bypasses affect service behavior. Confidentiality is not impacted according to the available data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should consider disabling or limiting reliance on spoofable forwarded client-IP headers in the GeoIP extension or implement additional validation controls to mitigate spoofing risks.
CVE-2026-64875: CWE-290 Authentication Bypass by Spoofing in regularlabs.com GeoIP extension for Joomla
Description
Joomla Extension - regularlabs.com - IP spoofing vulnerability in GeoIP extension - GeoIP lookups trusted spoofable forwarded client-IP headers, this could cause GeoIP-rule bypass.
CVSS v3.1
Score 6.5medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-64875 describes an authentication bypass vulnerability in the GeoIP extension for Joomla developed by regularlabs.com. The extension trusts client-IP headers that can be spoofed, allowing attackers to bypass GeoIP-based rules. This vulnerability affects versions 1.0.0 through 6.3.8. The issue is categorized under CWE-290, indicating an authentication bypass by spoofing. No official patch or remediation guidance is currently available, and there are no known exploits in the wild.
Potential Impact
The vulnerability allows attackers to spoof client IP addresses in forwarded headers, potentially bypassing GeoIP-based access controls or restrictions. This can lead to integrity issues by circumventing intended geographic restrictions and availability impacts if such bypasses affect service behavior. Confidentiality is not impacted according to the available data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should consider disabling or limiting reliance on spoofable forwarded client-IP headers in the GeoIP extension or implement additional validation controls to mitigate spoofing risks.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Joomla
- Date Reserved
- 2026-07-20T18:46:40.119Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a61dd669c2644c7f8c8ecc0
Added to database: 07/23/2026, 09:22:46 UTC
Last enriched: 07/30/2026, 22:36:19 UTC
Last updated: 09/04/2026, 04:22:03 UTC
Views: 65
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