NetSight
high7.2

CVE-2026-91143

goproxy through 15.3 fails to apply HTTP proxy basic authentication to CONNECT tunnel requests, allowing unauthenticated clients to bypass credential requireme…

Impact

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

ProductAffected versions
Goproxy
through 15.3

Versions were read from the advisory text. No structured product data has been published for this record yet.

Weakness classification

References