curl: CURLOPT_COOKIE leaked to cross-origin redirect target — CURLOPT_UNRESTRICTED_AUTH bypass for the STRING_COOKIE path

Summary: httpcookies at lib/http.c:2532-2534 appends the value of CURLOPTCOOKIE the cookie supplied via -b to outgoing Cookie: headers without invoking Curlauthallowedtohost. As a result, when CURLOPTFOLLOWLOCATION is enabled and the initial origin issues a cross-origin redirect open redirector,...

curl: curl cross-origin HTTPS redirect reuses TLS client certificate for unintended second-origin mTLS authentication

Summary: When curl follows an HTTPS redirect to a different origin under normal -L / CURLOPTFOLLOWLOCATION behavior, it still presents the configured TLS client certificate to the redirected-to HTTPS server. This happens without --location-trusted / CURLOPTUNRESTRICTEDAUTH, even though curl alrea...

GHSA-WP38-WHX3-XFFH AVideo has Blind SSRF in YPTWallet Donation Webhook via Missing isSSRFSafeURL() Check and CURLOPT_FOLLOWLOCATION Redirect Bypass

Summary An authenticated user can configure their own donation-notification webhook URL to point at internal/loopback/metadata hosts e.g. http://127.0.0.1:8080/..., http://169.254.169.254/latest/..., RFC1918 addresses. When any other user including a second account owned by the same attacker...

AVideo has Blind SSRF in YPTWallet Donation Webhook via Missing isSSRFSafeURL() Check and CURLOPT_FOLLOWLOCATION Redirect Bypass

Summary An authenticated user can configure their own donation-notification webhook URL to point at internal/loopback/metadata hosts e.g. http://127.0.0.1:8080/..., http://169.254.169.254/latest/..., RFC1918 addresses. When any other user including a second account owned by the same attacker...

cpp-httplib set_follow_location() Data Compromise

The vulnerability of the setfollowlocation function in the cpp-httplib library is related to deficiencies in the authentication process. Exploiting this vulnerability could allow an attacker, operating remotely, to compromise the confidentiality and integrity of the protected information...

OESA-2026-1639 cpp-httplib security update

A C++11 single-file header-only cross platform HTTP/HTTPS library. It's extremely easy to setup. Just include httplib.h file in your code! Security Fixes: cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to version 0.37.1, when a cpp-httplib client uses the...

SUSE CVE-2026-32627

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.37.2, when a cpp-httplib client is configured with a proxy and setfollowlocationtrue, any HTTPS redirect it follows will have TLS certificate and hostname verification silently disabled on the new...

CVE-2026-32627

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.37.2, when a cpp-httplib client is configured with a proxy and setfollowlocationtrue, any HTTPS redirect it follows will have TLS certificate and hostname verification silently disabled on the new...

DEBIAN-CVE-2026-32627

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.37.2, when a cpp-httplib client is configured with a proxy and setfollowlocationtrue, any HTTPS redirect it follows will have TLS certificate and hostname verification silently disabled on the new...

Improper Certificate Validation

Overview Affected versions of this package are vulnerable to Improper Certificate Validation due to the handling of HTTPS redirects when a proxy is configured and setfollowlocation is enabled. An attacker can intercept sensitive information by presenting a forged, expired, or self-signed...

EUVD-2026-12137

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.37.2, when a cpp-httplib client is configured with a proxy and setfollowlocationtrue, any HTTPS redirect it follows will have TLS certificate and hostname verification silently disabled on the new...

CVE-2026-32627 cpp-httplib has a Silent TLS Certificate Verification Bypass on HTTPS Redirect via Proxy

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.37.2, when a cpp-httplib client is configured with a proxy and setfollowlocationtrue, any HTTPS redirect it follows will have TLS certificate and hostname verification silently disabled on the new...

CVE-2026-32627

cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.37.2, when a cpp-httplib client is configured with a proxy and setfollowlocationtrue, any HTTPS redirect it follows will have TLS certificate and hostname verification silently disabled on the new...

cpp-httplib: Trust management issue vulnerabilities

cpp-httplib is a C++ library developed by Yhirose, designed for HTTP/HTTPS servers and clients. Prior to version 0.37.2 of cpp-httplib, there was a vulnerability related to trust management. This vulnerability occurred when a client configured a proxy and enabled setfollowlocation, causing TLS...

WordPress 4.0 Denial Of Service

$argv2, 'pwd' = strrepeat"A",1000000, 'redirectto' = $argv1 . "/wp-admin/", 'reauth' = 1, 'testcookie' = '1', 'wp-submit' = "Log%20In"; $cookieFiles = "cookie.txt"; curlsetoptarray$ch, array CURLOPTHEADER = 1, CURLOPTUSERAGENT = "Mozilla/5.0 Windows; U; Windows NT 5.1; en-US; rv:1.8.1.6...

DEBIAN-CVE-2009-0037

The redirect implementation in curl and libcurl 5.11 through 7.19.3, when CURLOPTFOLLOWLOCATION is enabled, accepts arbitrary Location values, which might allow remote HTTP servers to 1 trigger arbitrary requests to intranet servers, 2 read or overwrite arbitrary files via a redirect to a file:...