curl: libcurl: Information disclosure via incorrect Proxy-Authorization header reuse

A flaw was found in libcurl. When a user performs a transfer over an HTTP proxy using Digest authentication and then reuses the same handle for a second transfer with a different proxy host, libcurl incorrectly sends the Proxy-Authorization header intended for the first proxy to the second proxy...

POC-CVE-2023-32681

POC for CVE-2023-32681 This is a Python 3 implementation of CVE-2023-32681, affecting clients using the requests version = 2.30.0. As per https://www.rfc-editor.org/rfc/rfc9110.htmlsection-15.4 whenever redirection 3xx is issued by the server then user-agent should modify the request to remove...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: libsoup (UTSA-2026-142305)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-142305 advisory. A flaw was found in libsoup. After a CONNECT tunnel is established through an HTTP proxy, libsoup incorrectly attaches the Proxy-Authorization header to subsequent...

Astra Linux – vulnerability in curl

When reusing a libcurl handle for sequential transfers governed by an environment variable proxy configuration, libcurl fails to clear the proxy authentication state between requests. Specifically, if the initial transfer authenticates against proxyA using Digest auth, a subsequent transfer route...

Astra Linux – vulnerability in Erlang

A sensitive data exposure vulnerability in Erlang OTP’s inets httpcresponse module enables retrieval of embedded sensitive data. The httpc client forwards the Authorization and Proxy-Authorization request headers to redirect targets without verifying whether the redirect crosses an origin boundar...

GHSA-WXXW-5CVC-53J7 Microsoft Security Advisory CVE-2026-66822 - .NET and Visual Studio Information Disclosure Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in System.Net.Http. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. SocketsHttpHandler can retain a...

Insertion of Sensitive Information Into Sent Data

Overview Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data via the SocketsHttpHandler process. An attacker can obtain sensitive proxy credentials by causing an HTTP redirect that results in the Proxy-Authorization header being sent to an...

Insertion of Sensitive Information Into Sent Data

Overview Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data via the SocketsHttpHandler process. An attacker can obtain sensitive proxy credentials by causing an HTTP redirect that results in the Proxy-Authorization header being sent to an...

Insertion of Sensitive Information Into Sent Data

Overview Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data via the SocketsHttpHandler process. An attacker can obtain sensitive proxy credentials by causing an HTTP redirect that results in the Proxy-Authorization header being sent to an...

Insertion of Sensitive Information Into Sent Data

Overview Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data via the SocketsHttpHandler process. An attacker can obtain sensitive proxy credentials by causing an HTTP redirect that results in the Proxy-Authorization header being sent to an...

Insertion of Sensitive Information Into Sent Data

Overview Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data via the SocketsHttpHandler process. An attacker can obtain sensitive proxy credentials by causing an HTTP redirect that results in the Proxy-Authorization header being sent to an...

Insertion of Sensitive Information Into Sent Data

Overview Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data via the SocketsHttpHandler process. An attacker can obtain sensitive proxy credentials by causing an HTTP redirect that results in the Proxy-Authorization header being sent to an...

Insertion of Sensitive Information Into Sent Data

Overview Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data via the SocketsHttpHandler process. An attacker can obtain sensitive proxy credentials by causing an HTTP redirect that results in the Proxy-Authorization header being sent to an...

Amazon Linux 2023 : perl-HTTP-Tiny, perl-HTTP-Tiny-tests (ALAS2023-2026-3194)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-3194 advisory. HTTP::Tiny versions before 0.095 for Perl forward credential headers to cross-origin redirect targets. When the server returns a 3xx redirect, mayberedirect follows the Location: header and...

EulerOS 2.0 SP11 : curl (EulerOS-SA-2026-4311)

According to the versions of the curl packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A vulnerability exists where a new transfer that uses STARTTLS to upgrade the connection might reuse an existing live connection even though the TLS...

Security Bulletin:Axios Node.js HTTP Adapter Proxy Credential Leakage Vulnerability in 0.32.0 and 1.16.0

Summary Axios is a promise based HTTP client for the browser and Node.js. Prior to 0.32.0 and 1.16.0, Axios' Node.js HTTP adapter can leak proxy credentials to a redirect target in affected versions. When a request is sent through an authenticated proxy, Axios may add a Proxy-Authorization header...

Security Bulletin:Sensitive Data Exposure in Erlang OTP inets (httpc_response module)

Summary Sensitive Data Exposure vulnerability in Erlang OTP inets httpcresponse module allows Retrieve Embedded Sensitive Data. The httpc client forwards the Authorization and Proxy-Authorization request headers to redirect targets without checking whether the redirect crosses an origin boundary...

Security Bulletin: Multiple Vulnerabilities in IBM Cloud Pak System

Summary Multiple vulnerabilities were addressed in IBM Cloud Pak System version 2.3.6.2. Vulnerability Details CVEID:CVE-2026-44486 DESCRIPTION: Axios is a promise based HTTP client for the browser and Node.js. Prior to 0.32.0 and 1.16.0, Axios’ Node.js HTTP adapter can leak proxy credentials to ...

CentOS Linux 8 [TuxCare] Security Update: curl / curl-minimal / libcurl / libcurl-devel / libcurl-minimal Multiple Vulnerabilities (CENTOS-STREAM8:CLSA-2026:1784123512)

The CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS-STREAM8:CLSA-2026:1784123512 advisory. - Successfully using libcurl to do a transfer to a specific HTTP origin hostA with Digest authentication and then changing the...

Rocky Linux 8 [CIQ] Security Update: Cython-debugsource / PyYAML-debugsource / numpy-debugsource / etc Multiple Vulnerabilities (crlsa-2023_7034)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20237034 advisory. python: tarfile module directory traversal CVE-2007-4559 python-requests: Unintended leak of Proxy-Authorization header CVE-2023-32681 Tenable has extracte...