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CVE-2026-91143

goproxy through 15.3 Authentication Bypass via CONNECT PUBLISHED

Description (CNA)

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 (CNA)

Vendor / productVersions
snail007 / goproxyaffected 0 through 15.3

CWE

CWE-288

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.