CVE-2026-86414

An HTTP proxy can trick libcurl into sending the origin's credentials Basic password, or a Negotiate/Kerberos ticket to the proxy itself, by answering the CONNECT tunnel request with 401 WWW-Authenticate: instead of the expected 407 Proxy-Authenticate:...

CVE-2026-86414

An HTTP proxy can trick libcurl into sending the origin's credentials Basic password, or a Negotiate/Kerberos ticket to the proxy itself, by answering the "CONNECT" tunnel request with 401 "WWW-Authenticate:" instead of the expected 407 "Proxy-Authenticate:"...

PT-2026-113742

Name of the Vulnerable Software and Affected Versions curl affected versions not specified Description An HTTP proxy can trick libcurl into sending the origin's credentials, such as Basic passwords or Negotiate/Kerberos tickets, directly to the proxy. This occurs when the proxy responds to a...