stale proxy password leak

libcurl had a flaw that when instructed to clear proxy authentication credentials which made it not do so, leaving the old credentials around to get used for subsequent transfers that should not know nor use them...

CURL-CVE-2026-9079 stale proxy password leak

libcurl had a flaw that when instructed to clear proxy authentication credentials which made it not do so, leaving the old credentials around to get used for subsequent transfers that should not know nor use them...

nodejs: Node.js: Information disclosure of proxy credentials via proxy tunnel error handling

A flaw was found in Node.js. When proxy credentials are embedded in a proxy URL, an issue in the proxy tunnel error handling can lead to the exposure of these credentials. This information disclosure vulnerability allows an attacker to potentially capture sensitive proxy credentials through logs,...

PT-2026-51752

Name of the Vulnerable Software and Affected Versions libcurl affected versions not specified Description A flaw exists where the software fails to clear proxy authentication credentials when instructed to do so. This results in old credentials remaining available and potentially being used for...

CVE-2026-55568

Guzzle is an extensible PHP HTTP client. Prior to 7.12.1, in certain configurations, traffic expected to be protected by TLS on the hop to the proxy is transmitted in cleartext. Proxy authentication credentials the Proxy-Authorization header, proxy userinfo in the proxy URL, or CURLOPTPROXYUSERPW...

CVE-2026-55568

Guzzle is an extensible PHP HTTP client. Prior to 7.12.1, in certain configurations, traffic expected to be protected by TLS on the hop to the proxy is transmitted in cleartext. Proxy authentication credentials the Proxy-Authorization header, proxy userinfo in the proxy URL, or CURLOPTPROXYUSERPW...

CVE-2026-55568

Guzzle is an extensible PHP HTTP client. Prior to 7.12.1, in certain configurations, traffic expected to be protected by TLS on the hop to the proxy is transmitted in cleartext. Proxy authentication credentials the Proxy-Authorization header, proxy userinfo in the proxy URL, or CURLOPTPROXYUSERPW...

Linux Distros Unpatched Vulnerability : CVE-2026-48615

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw in Node.js proxy tunnel error handling could expose proxy credentials in ERRPROXYTUNNEL error messages. When proxy credentials are embedded in the proxy...

GHSA-WPWQ-4J6V-78M3 guzzlehttp/guzzle: Silent HTTPS-Proxy Downgrade to Cleartext

Impact The built-in cURL handlers GuzzleHttp\Handler\CurlHandler and GuzzleHttp\Handler\CurlMultiHandler, used by default whenever the PHP cURL extension is available accept an https:// proxy — a proxy reached over a TLS-encrypted connection — through the proxy request option, client-level proxy...

guzzlehttp/guzzle: Silent HTTPS-Proxy Downgrade to Cleartext

Impact The built-in cURL handlers GuzzleHttp\Handler\CurlHandler and GuzzleHttp\Handler\CurlMultiHandler, used by default whenever the PHP cURL extension is available accept an https:// proxy — a proxy reached over a TLS-encrypted connection — through the proxy request option, client-level proxy...

Silent HTTPS proxy downgrade to cleartext

Impact The built-in cURL handlers GuzzleHttp\Handler\CurlHandler and GuzzleHttp\Handler\CurlMultiHandler, used by default whenever the PHP cURL extension is available accept an https:// proxy — a proxy reached over a TLS-encrypted connection — through the proxy request option, client-level proxy...

CVE-2026-10741

Sonatype Nexus Repository Manager before 3.93.0 contains an authorization vulnerability in the proxy repository configuration that allows a delegated repository administrator to disclose stored upstream proxy credentials...

EUVD-2026-37783

Sonatype Nexus Repository Manager before 3.93.0 contains an authorization vulnerability in the proxy repository configuration that allows a delegated repository administrator to disclose stored upstream proxy credentials...

SUSE-SU-2026:22146-1 Security update for curl

This update for curl fixes the following issues: - CVE-2026-4873: connection reuse ignores TLS requirement bsc1262631. - CVE-2026-5545: wrong reuse of HTTP Negotiate connection bsc1262632. - CVE-2026-6253: proxy credentials leak over redirect-to proxy bsc1262635. - CVE-2026-6276: stale custom...

OPENSUSE-SU-2026:20973-1 Security update for curl

This update for curl fixes the following issues: - CVE-2026-4873: connection reuse ignores TLS requirement bsc1262631. - CVE-2026-5545: wrong reuse of HTTP Negotiate connection bsc1262632. - CVE-2026-6253: proxy credentials leak over redirect-to proxy bsc1262635. - CVE-2026-6276: stale custom...

GHSA-PW6J-QG29-8W7F Tornado: CurlAsyncHTTPClient leaks per-request credentials on handle reuse

CurlAsyncHTTPClient leaks per-request credentials on handle reuse Summary CurlAsyncHTTPClient pools and reuses pycurl handles across requests but does not reset them between requests, and several per-request options are applied with no clearing branch. As a result, sensitive state set by one...

Tornado: CurlAsyncHTTPClient leaks per-request credentials on handle reuse

CurlAsyncHTTPClient leaks per-request credentials on handle reuse Summary CurlAsyncHTTPClient pools and reuses pycurl handles across requests but does not reset them between requests, and several per-request options are applied with no clearing branch. As a result, sensitive state set by one...

Information Exposure

Axios is vulnerable to Information Exposure. The vulnerability is due to improper handling of the Proxy-Authorization header in the Node.js HTTP adapter, where proxy credentials can be forwarded to a redirected destination during certain proxy-to-direct redirect flows, allowing an...

CVE-2026-44487

A flaw was found in Axios. During specific proxy-to-direct redirect flows in the Node.js HTTP adapter, a remote attacker could exploit this vulnerability. The Proxy-Authorization header, which contains proxy credentials and is intended only for the outbound proxy, may be forwarded to the final...

CVE-2026-44486

A flaw was found in Axios, a promise-based HTTP client, specifically in its Node.js HTTP adapter. When Axios is configured to use an authenticated proxy and follows a redirect, it may inadvertently send the Proxy-Authorization header, containing proxy credentials, to the redirect target. This can...