🛡️ CVE-2026-32627
🟠 CVSS 8.7 — High ⚠️ Exploit Public CWE-295 NVD
8.7
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Details

Severity HIGH
CVSS Score 8.7
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
CWE CWE-295
Public Exploit ⚠️ Yes
Source NVD
Published 2026-03-16
Updated 2026-06-02
Modified 2026-03-17
Fix URL N/A

Affected Packages

Software From version Fixed in
cpp-httplib — 0.37.2

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