CVE-2026-32627 - cpp-httplib has a Silent TLS Certificate Verification Bypass on HTTPS Redirect via Proxy
CVE ID :CVE-2026-32627
Published : March 13, 2026, 8:48 p.m. | 3 hours, 41 minutes ago
Description :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 set_follow_location(true), any HTTPS redirect it follows will have TLS certificate and hostname verification silently disabled on the new connection. The client will accept any certificate presented by the redirect target — expired, self-signed, or forged — without raising an error or notifying the application. A network attacker in a position to return a redirect response can fully intercept the follow-up HTTPS connection, including any credentials or session tokens in flight. This vulnerability is fixed in 0.37.2.
Severity: 8.7 | HIGH
Visit the link for more details, such as CVSS details, affected products, timeline, and more...
Published : March 13, 2026, 8:48 p.m. | 3 hours, 41 minutes ago
Description :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 set_follow_location(true), any HTTPS redirect it follows will have TLS certificate and hostname verification silently disabled on the new connection. The client will accept any certificate presented by the redirect target — expired, self-signed, or forged — without raising an error or notifying the application. A network attacker in a position to return a redirect response can fully intercept the follow-up HTTPS connection, including any credentials or session tokens in flight. This vulnerability is fixed in 0.37.2.
Severity: 8.7 | HIGH
Visit the link for more details, such as CVSS details, affected products, timeline, and more...