CVE-2023-44463: pretix potential IP address spoofing vulnerability
Summary
CVE-2023-44463: pretix potential IP address spoofing vulnerability. Affects pretix versions < 2023.7.1. Fixed in 2023.7.1. How to fix ↓
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Background
pretix is a package available on PyPI that provides event ticketing and registration functionality. It is used by various organizations to manage ticket sales and event registrations. The package allows users to configure various settings, including handling of HTTP headers. However, a vulnerability has been discovered in versions before 2023.7.1 that can lead to potential IP address spoofing.
Vulnerability Detail
The vulnerability in pretix arises from incorrect parsing of configuration files, which causes the application to trust unchecked X-Forwarded-For headers even though it has not been configured to do so. This can be exploited by malicious users to spoof their IP addresses, potentially leading to unauthorized access or impersonation. The issue has a CVSS score of 5.3, indicating a moderate severity level.
How To Fix
Latest published version: 2026.8.0 as of 22 Oct 2026
pip install --upgrade "pretix==2026.8.0"Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
2023.7.1
This is the first release that contains the fix.
pip install --upgrade "pretix==2023.7.1"Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no specific workaround provided for this vulnerability. It is recommended to follow the steps mentioned in the 'how_to_fix' section to upgrade to the latest version of pretix.
Conclusion
In conclusion, the pretix package before version 2023.7.1 is vulnerable to IP address spoofing due to incorrect parsing of configuration files. Upgrading to the latest version will fix this vulnerability. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for pretix →
FAQ
pretix is a package available on PyPI that provides event ticketing and registration functionality. It is commonly used by organizations to manage ticket sales and event registrations.
IP address spoofing is a technique used by attackers to impersonate another IP address in order to bypass security measures or gain unauthorized access.
The vulnerability allows malicious users to spoof their IP addresses, potentially leading to unauthorized access or impersonation within the pretix application.
The vulnerability has a CVSS score of 5.3, indicating a moderate severity level.
To fix the vulnerability, it is recommended to upgrade to pretix version 2023.7.1 or later, which includes a fix for the IP address spoofing issue.
References
Related vulnerabilities
Recent vulnerabilities recorded for pretix.
