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OpenAdvisories
Medium USN-6155-1 1 CVE

requests vulnerability

Published Jun 12, 2023 · Updated Feb 10, 2026

Ecosystem: Ubuntu

Summary

Dennis Brinkrolf and Tobias Funke discovered that Requests incorrectly
leaked Proxy-Authorization headers. A remote attacker could possibly use
this issue to obtain sensitive information.

Fixed packages 2

ReleasePackageFixed in
Ubuntu · 20.04 LTS 20.04:LTS requests 2.22.0-2ubuntu1.1
Ubuntu · 22.04 LTS 22.04:LTS requests 2.25.1+dfsg-2ubuntu0.1

Vulnerabilities 1

  • Medium 6.1
    CVE-2023-32681 Public exploit

    Unintended leak of Proxy-Authorization header in requests

    Requests is a HTTP library. Since Requests 2.3.0, Requests has been leaking Proxy-Authorization headers to destination servers when redirected to an HTTPS endpoint. This is a product of how we use `rebuild_proxies` to reattach the `Proxy-Authorization` header…

    psf requests python-pip requests Debian Ubuntu Azure Linux PyPI

References

  • report
    https://ubuntu.com/security/CVE-2023-32681