CVE-2020-35678: Open Redirect in autobahn
Summary
CVE-2020-35678: Open Redirect in autobahn. Affects autobahn versions < 20.12.3. Fixed in 20.12.3. How to fix ↓
Also tracked for
- python-autobahn · Debian:11
The same CVE-2020-35678 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
Autobahn is a Python package available on PyPI that provides implementations of the WebSocket protocol. It is commonly used for building real-time web applications and communication systems. Autobahn|Python versions prior to 20.12.3 are affected by an open redirect vulnerability.
Vulnerability Detail
The open redirect vulnerability in Autobahn|Python allows for header injection in redirect responses. An attacker can exploit this vulnerability to manipulate the redirect URL and potentially redirect users to malicious websites. This can lead to various attacks, such as phishing or spreading malware. The vulnerability has a CVSS score of 6.1, indicating a moderate severity level.
How To Fix
Latest published version: 26.10.2 as of 23 Oct 2026
pip install --upgrade "autobahn==26.10.2"Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.
If you need the minimum change
20.12.3
This is the first release that contains the fix.
pip install --upgrade "autobahn==20.12.3"Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Conclusion
In conclusion, Autobahn|Python versions prior to 20.12.3 are vulnerable to an open redirect issue that can be exploited by attackers. It is crucial to upgrade to the fixed version to mitigate the risk of phishing attacks and malware spreading. For further support on vulnerability remediation, please contact DevNack.com.
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FAQ
The vulnerability allows attackers to manipulate redirect URLs, potentially leading to phishing attacks or the spread of malware.
You can use the Vulert Playground at Vulert Scanner to check if your application is affected by this vulnerability. Simply enter your Pipfile.lock and it will provide real-time alerts for open-source vulnerabilities.
At the moment, there are no known workarounds for this vulnerability. It is recommended to upgrade to the fixed version of Autobahn|Python.
There is no evidence of active exploits at the moment. However, it is crucial to patch the vulnerability to prevent potential attacks.
You can find more information about this vulnerability in the GitHub Advisory Database at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/04/GHSA-gwp7-vqr5-h33h/GHSA-gwp7-vqr5-h33h.json
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