CVE-2024-40464: Beego privilege escalation vulnerability
Summary
CVE-2024-40464: Beego privilege escalation vulnerability. Affects github.com/beego/beego/v2 versions < 2.2.1. Fixed in 2.2.1. How to fix ↓
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Background
Beego is a Go-based open-source web application framework that allows developers to build efficient and scalable web applications. It provides a robust set of tools and features for rapid development. However, versions 2.2.0 and earlier of Beego are vulnerable to privilege escalation.
Vulnerability Detail
The vulnerability in Beego arises from a flaw in the sendMail function located in the beego/core/logs/smtp.go file. This flaw can be exploited by a remote attacker to escalate privileges. By exploiting this vulnerability, an attacker can gain unauthorized access to sensitive information or perform actions with elevated privileges, potentially leading to further compromise of the system.
How To Fix
Latest published version: v2.3.10 as of 23 Oct 2026
go get github.com/beego/beego/v2@v2.3.10Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
2.2.1
This is the first release that contains the fix.
go get github.com/beego/beego/v2@v2.2.1Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
There is no known workaround for this vulnerability. It is essential to apply the recommended fix by upgrading to Beego version 2.2.1 or later.
Conclusion
The privilege escalation vulnerability in Beego can be mitigated by upgrading to version 2.2.1 or later. It is crucial for developers to promptly apply the recommended fix to ensure the security of their applications.
See every vulnerability recorded for github.com/beego/beego/v2 →
FAQ
Beego is an open-source web application framework for Go that enables developers to build efficient and scalable web applications.
This vulnerability allows a remote attacker to escalate privileges, potentially gaining unauthorized access to sensitive information or performing actions with elevated privileges.
To fix this vulnerability, you should upgrade Beego to version 2.2.1 or later.
No, there is no known workaround for this vulnerability. Upgrading to the latest version is the recommended solution.
You can find more information about this vulnerability in the GitHub Advisory Database: [link to advisory]
References
Related vulnerabilities
Recent vulnerabilities recorded for github.com/beego/beego/v2.
