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CVE PROGRAM SOURCE RECORD6.9 Medium

CVE-2026-91143

goproxy through 15.3 Authentication Bypass via CONNECT

Description

goproxy through 15.3 fails to apply HTTP proxy basic authentication to CONNECT tunnel requests, allowing unauthenticated clients to bypass credential requirements. Attackers can issue CONNECT requests to establish tunnels through the authenticated proxy without providing credentials, enabling arbitrary TCP traffic relay and access to restricted destinations.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

snail007 goproxy

Default version status: unaffected

  • 0 to ≤ 15.3affected
pkg:golang/github.com/snail007/goproxy

References