Duplicate Advisory: Guzzle: Proxy-Authorization headers can be sent to origin servers

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-94pj-82f3-465w. This link is maintained to preserve external references. Original Description guzzlehttp/guzzle versions before 7.14.2 fail to properly isolate Proxy-Authorization headers from origin servers in...

CVE-2026-67339

guzzlehttp/guzzle versions before 7.14.2 fail to properly isolate Proxy-Authorization headers from origin servers in cURL handlers. Attackers can capture proxy credentials through origin server access logs when requests are redirected, bypassed, or sent through SOCKS proxies that Guzzle...

CVE-2026-67339

guzzlehttp/guzzle versions before 7.14.2 fail to properly isolate Proxy-Authorization headers from origin servers in cURL handlers. Attackers can capture proxy credentials through origin server access logs when requests are redirected, bypassed, or sent through SOCKS proxies that Guzzle...

AsyncHttpClient leaks authorization credentials to untrusted domains on cross-origin redirects

Impact When redirect following is enabled followRedirecttrue, AsyncHttpClient forwards Authorization and Proxy-Authorization headers along with Realm credentials to arbitrary redirect targets regardless of domain, scheme, or port changes. This leaks credentials on cross-domain redirects and...

CVE-2026-34518

A flaw was found in AIOHTTP, an asynchronous HTTP client/server framework for asyncio and Python. When AIOHTTP follows redirects to a different origin, it incorrectly retains sensitive Cookie and Proxy-Authorization headers. This oversight could lead to information disclosure, where these headers...

AZL-63725 CVE-2025-4673 affecting package golang for versions less than 1.22.7-5

Proxy-Authorization and Proxy-Authenticate headers persisted on cross-origin redirects potentially leaking sensitive information...

Huawei EulerOS: Security Advisory for python-requests (EulerOS-SA-2024-2291)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2024 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

RHEL 6 : python-requests (Unpatched Vulnerability)

The remote Redhat Enterprise Linux 6 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched. - python-requests: Redirect from HTTPS to HTTP does not remove Authorization header CVE-2018-18074 - Reques...

CVE-2024-30260

A flaw was found in the nodejs-undici package. Proxy-Authorization headers are not cleared on cross-origin redirects, which can allow for the exposure of sensitive data or allow an attacker to capture the persistent proxy-authentication header. Mitigation Mitigation for this issue is either not...

CVE-2024-30260

Undici is an HTTP/1.1 client, written from scratch for Node.js. Undici cleared Authorization and Proxy-Authorization headers for fetch, but did not clear them for undici.request. This vulnerability was patched in versions 5.28.4 and 6.11.1...

CentOS 8 : python-requests (CESA-2023:4520)

The remote CentOS Linux 8 host has a package installed that is affected by a vulnerability as referenced in the CESA-2023:4520 advisory. - 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...

EulerOS Virtualization 2.10.0 : python-requests (EulerOS-SA-2023-2946)

According to the versions of the python-requests package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - Requests is a HTTP library. Since Requests 2.3.0, Requests has been leaking Proxy-Authorization headers to destination...

EulerOS Virtualization 2.11.1 : python-requests (EulerOS-SA-2023-2741)

According to the versions of the python-requests package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - Requests is a HTTP library. Since Requests 2.3.0, Requests has been leaking Proxy-Authorization headers to destination...

EulerOS Virtualization 2.10.1 : python-pip (EulerOS-SA-2023-2926)

According to the versions of the python-pip packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : - Requests is a HTTP library. Since Requests 2.3.0, Requests has been leaking Proxy-Authorization headers to destination server...

Oracle Linux 8 : python27:2.7 (ELSA-2023-7042)

The remote Oracle Linux 8 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2023-7042 advisory. - Fix CVE-2021-20095 Resolves: rhbz1955615 - Fix CVE-2019-6446 - Fix CVE-2014-1858, CVE-2014-1859: 1062009, 1062359 - Security fix for CVE-2023-40217 Resolves:...

Huawei EulerOS: Security Advisory for python-requests (EulerOS-SA-2023-2798)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

EulerOS 2.0 SP9 : python-pip (EulerOS-SA-2023-2596)

According to the versions of the python-pip packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : - Requests is a HTTP library. Since Requests 2.3.0, Requests has been leaking Proxy-Authorization headers to destination servers when redirect...

Security Bulletin: Python-requests is vulnerable to CVE-2023-32681 used in IBM Maximo Application Suite - Monitor Component

Summary IBM Maximo Application Suite - Monitor Component uses python-requests which is vulnerable to CVE-2023-32681. Vulnerability Details CVEID:CVE-2023-32681 DESCRIPTION: python-requests could allow a remote attacker to obtain sensitive information, caused by the leaking of Proxy-Authorization...

Amazon Linux 2 : python3-requests (ALAS-2023-2111)

The version of python3-requests installed on the remote host is prior to 2.14.2-2. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2023-2111 advisory. A flaw was found in the Python-requests package, where it is vulnerable to potentially leaking Proxy- Authorization heade...

Security Bulletin: A Vulnerability in python-requests affects IBM InfoSphere Information Server (CVE-2023-32681)

Summary Python-requests is used by IBM InfoSphere Information Server. An information disclosure vulnerability in python-requests was addressed. Vulnerability Details CVEID:CVE-2023-32681 DESCRIPTION: python-requests could allow a remote attacker to obtain sensitive information, caused by the...