env-set cross-proxy Digest auth state leak

When reusing a libcurl handle for sequential transfers driven by 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 routed...

sending old referer

A vulnerability in libcurl caused the HTTP Referer: header to persist even when explicitly cleared. While the documentation states that passing NULL to CURLOPTREFERER suppresses the header, the option failed to clear the internal state. As a result, the previous referrer string was erroneously...

CURL-CVE-2026-9546 sending old referer

A vulnerability in libcurl caused the HTTP Referer: header to persist even when explicitly cleared. While the documentation states that passing NULL to CURLOPTREFERER suppresses the header, the option failed to clear the internal state. As a result, the previous referrer string was erroneously...

EUVD-2026-38710

In the Linux kernel, the following vulnerability has been resolved: tun: zero the whole vnet header in tunputuser tunputuser declares an on-stack struct virtionethdrv1hashtunnel without zeroing it. For a non-tunnel skb, virtionethdrtnlfromskb only initializes the first 10 bytes sizeofstruct...

EUVD-2026-36729

webpack-dev-server vulnerable to HMR WebSocket interception via permissive user proxies...

CVE-2026-48856

This CVE affects Erlang OTP inets (httpc_response) where cross-origin 3xx redirects copy Authorization and Proxy-Authorization headers to the redirect target, enabling credential theft. Root cause: httpc_response:redirect/2 only updates the host field; other header fields are copied, with autored...

Amazon Linux 2023 : perl-libwww-perl, perl-libwww-perl-tests (ALAS2023-2026-1764)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1764 advisory. LWP::UserAgent versions before 6.83 for Perl leak Authorization and Proxy-Authorization headers on cross- origin redirects. On a 3xx response, the redirect handler strips only Host and Cookie before...

CVE-2026-42553

Cinny is a Matrix client. Prior to 4.10.3, A remote authenticated attacker who shares a room with a victim and has permissions to create room emotes for example in a DM can cause the victim's client to send their Matrix access token to an attacker-controlled server. This occurs when the victim...

CVE-2026-7168

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...

MGASA-2026-0150 Updated perl-libwww-perl & perl-HTTP-Message packages fix security vulnerabilities

LWP::UserAgent versions before 6.83 for Perl leak Authorization and Proxy-Authorization headers on cross-origin redirects...

CVE-2026-44503 Kiota abstractions RedirectHandler leaks Cookie/Proxy-Authorization headers on cross-host redirect

The RedirectHandler middleware in microsoft/kiota-java com.microsoft.kiota:microsoft-kiota-http-okHttp v1.9.0 and other Kiota libraries fails to strip sensitive HTTP headers when following 3xx redirects to a different host or scheme. Only the Authorization header is removed; Cookie,...

CVE-2026-7168 cross-proxy Digest auth state leak

Successfully using libcurl to do a transfer over a specific HTTP proxy proxyA with Digest authentication and then changing the proxy host to a second one proxyB for a second transfer, reusing the same handle, makes libcurl wrongly pass on the Proxy-Authorization: header field meant for proxyA, to...

CVE-2026-7168

Successfully using libcurl to do a transfer over a specific HTTP proxy proxyA with Digest authentication and then changing the proxy host to a second one proxyB for a second transfer, reusing the same handle, makes libcurl wrongly pass on the Proxy-Authorization: header field meant for proxyA, to...

CVE-2026-7168 cross-proxy Digest auth state leak

Successfully using libcurl to do a transfer over a specific HTTP proxy proxyA with Digest authentication and then changing the proxy host to a second one proxyB for a second transfer, reusing the same handle, makes libcurl wrongly pass on the Proxy-Authorization: header field meant for proxyA, to...

PT-2026-39744

🚨 High - urllib3 Sensitive Header Leak & Decompression Bomb Safeguard Bypass CVE-2026-31015 & CVE-2026-31020 Two critical vulnerabilities were identified in the urllib3 library Node.js/Python. The first flaw GHSA-qccp-gfcp-xxvc allows sensitive headers like Authorization and Cookie to be leaked...

PT-2026-39745

🚨 High - urllib3 Sensitive Header Leak & Decompression Bomb Safeguard Bypass CVE-2026-31015 & CVE-2026-31020 Two critical vulnerabilities were identified in the urllib3 library Node.js/Python. The first flaw GHSA-qccp-gfcp-xxvc allows sensitive headers like Authorization and Cookie to be leaked...

PT-2026-38408

Name of the Vulnerable Software and Affected Versions microsoft-kiota-http-okHttp versions 1.9.0 and earlier kiota-dotnet affected versions not specified kiota-java affected versions not specified kiota-python affected versions not specified kiota-typescript affected versions not specified...

CURL-CVE-2026-7168 cross-proxy Digest auth state leak

Successfully using libcurl to do a transfer over a specific HTTP proxy proxyA with Digest authentication and then changing the proxy host to a second one proxyB for a second transfer, reusing the same handle, makes libcurl wrongly pass on the Proxy-Authorization: header field meant for proxyA, to...

CVE-2026-41345 OpenClaw < 2026.3.31 - Authorization Header Leak via Cross-Origin Redirect in Media Download

OpenClaw before 2026.3.31 contains a credential exposure vulnerability in media download functionality that forwards Authorization headers across cross-origin redirects. Attackers can exploit this by crafting malicious cross-origin redirect chains to intercept sensitive authorization credentials...

AIOHTTP Leaks Cookie And Proxy-Authorization Headers On Cross-origin Redirect

Summary When following redirects to a different origin, aiohttp drops the Authorization header, but retains the Cookie and Proxy-Authorization headers. Impact The Cookie and Proxy-Authorizations headers could contain sensitive information which may be leaked to an unintended party after following...