NetSight
high7.5

CVE-2026-19538

The BLOCKED access control list items that are evaluated to deny access on the the proxy protocol port can be bypassed completely when connecting over TCP or T…

Impact

The BLOCKED access control list items that are evaluated to deny access on the the proxy protocol port can be bypassed completely when connecting over TCP or TLS and sending the query twice on connection that is kept open.

Affected products

VendorProductAffected versions
NlnetlabsNsd
from 4.8.0 before 4.15.1

Weakness classification

References