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 from regularlabs.com. The extension performs GeoIP lookups based on client IP addresses obtained from forwarded headers that can be spoofed by an attacker. This trust in spoofable headers enables bypassing GeoIP-based access control or rules. The affected versions are exactly 1.0.0 through 6.3.8. There is no CVSS score or vendor advisory indicating a patch or mitigation at this time.
Potential Impact
An attacker can spoof client IP headers to bypass GeoIP-based restrictions or rules implemented by the vulnerable Joomla extension. This could allow unauthorized access or evasion of geographic access controls relying on the extension's GeoIP functionality. No known exploits in the wild have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider disabling the GeoIP extension or not relying solely on it for critical access control decisions. Monitoring for updates from regularlabs.com is recommended.
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.
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 from regularlabs.com. The extension performs GeoIP lookups based on client IP addresses obtained from forwarded headers that can be spoofed by an attacker. This trust in spoofable headers enables bypassing GeoIP-based access control or rules. The affected versions are exactly 1.0.0 through 6.3.8. There is no CVSS score or vendor advisory indicating a patch or mitigation at this time.
Potential Impact
An attacker can spoof client IP headers to bypass GeoIP-based restrictions or rules implemented by the vulnerable Joomla extension. This could allow unauthorized access or evasion of geographic access controls relying on the extension's GeoIP functionality. No known exploits in the wild have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider disabling the GeoIP extension or not relying solely on it for critical access control decisions. Monitoring for updates from regularlabs.com is recommended.
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: 07/23/2026, 09:38:38 UTC
Last updated: 07/23/2026, 22:05:33 UTC
Views: 10
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.