CVE-2026-64797

Received Received - Intake

IP Spoofing in Joomla Due to Unverified X-Forwarded-For Headers

Publication date: 2026-07-22

Last updated on: 2026-07-22

Assigner: Joomla! Project

Description

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.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-07-22

Last Modified

2026-07-22

Generated

2026-07-23

AI Q&A

2026-07-23

EPSS Evaluated

N/A

NVD

CVE-2026-64797

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-290	This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.

Attack-Flow Graph

Executive Summary

This vulnerability involves IP Login in Joomla trusting forwarded client-IP headers without verifying if the proxy is trusted. Attackers can spoof the IP address used for automatic login, potentially gaining unauthorized access to accounts.

Impact Analysis

If you use Joomla with IP Login enabled, attackers could impersonate your users by spoofing their IP addresses. This may lead to unauthorized access, data breaches, or account takeovers.

Compliance Impact

This vulnerability could lead to unauthorized access, violating data protection requirements under GDPR and HIPAA. Organizations may face compliance penalties if user data is exposed due to this flaw.

Mitigation Strategies

Configure trusted proxy settings to validate forwarded client IP headers. Review and restrict automatic login mappings to prevent IP spoofing. Update Joomla to the latest patched version if available.

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