CVE-2020-28483: Inconsistent interpretation of HTTP Requests in github.com/gin-gonic/gin
Summary
CVE-2020-28483: Inconsistent interpretation of HTTP Requests in github.com/gin-gonic/gin. Affects github.com/gin-gonic/gin versions < 1.7.7. Fixed in 1.7.7. How to fix ↓
Also tracked for
- golang-github-gin-gonic-gin · Debian:11
The same CVE-2020-28483 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.
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Background
github.com/gin-gonic/gin is a Go package that provides a web framework for building APIs and web applications. It offers various functionalities such as handling HTTP requests and responses, routing, middleware support, and more. This package is widely used in the Go ecosystem for developing web applications. However, a vulnerability has been identified in the package that allows for inconsistent interpretation of HTTP requests.
Vulnerability Detail
The vulnerability arises due to improper sanitization of HTTP headers in github.com/gin-gonic/gin. Specifically, the X-Forwarded-For header can be manipulated by a malicious user to spoof their source IP address. This can have several implications, including bypassing IP-based restrictions and obfuscating the true source of the request. The vulnerability affects versions 0 through 1.7.6 of the package.
How To Fix
Latest published version: v1.12.0 as of 22 Oct 2026
go get github.com/gin-gonic/gin@v1.12.0Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
1.7.7
This is the first release that contains the fix.
go get github.com/gin-gonic/gin@v1.7.7Tip — 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. However, as a general best practice, it is recommended to implement additional security measures such as rate limiting, request validation, and authentication to mitigate the impact of potential IP address spoofing attacks.
Conclusion
In summary, the vulnerability in github.com/gin-gonic/gin allows for inconsistent interpretation of HTTP requests due to improper sanitization of HTTP headers. This can lead to IP address spoofing and potential bypassing of IP-based restrictions. To fix the vulnerability, it is crucial to upgrade to version 1.7.7 or later of the package and update dependencies. For further support on vulnerability remediation, please contact DevNack.com.
See every vulnerability recorded for github.com/gin-gonic/gin →
FAQ
The vulnerability allows a malicious user to spoof their source IP address, potentially bypassing IP-based restrictions or hiding their true identity.
Versions 0 through 1.7.6 of the package are affected by this vulnerability.
You can use the Vulert Playground at Vulert Scanner to check if your application is affected by this vulnerability. Simply provide your Gopkg.lock file and the playground will analyze it for any open-source vulnerabilities, including this one.
Yes, upgrading to version 1.7.7 or later of github.com/gin-gonic/gin will fix this vulnerability. Make sure to update your dependencies to the latest version.
While there is no specific workaround provided, implementing additional security measures such as rate limiting, request validation, and authentication can help mitigate the impact of potential IP address spoofing attacks.
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