VULNERABILITY INTELLIGENCE

CVE-2026-19538

CVSS score7.5 HIGH
EPSS probability0.44%
CISA KEVNot currently listed
Published2026-08-26
Last modified2026-09-08
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Description

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.

Weakness classification

  • sep@nlnetlabs.nl: CWE-290

Primary references