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CVE-2026-19377

6.0 medium SSVC exploitation: none Deferred
NVD · CVE.org

Improper certificate validation in the tunnel handshake in Cato Client allows a man-in-the-middle attacker to impersonate a Cato Point of Presence (PoP) server and intercept or modify tunnel traffic.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 2

  1. StatusReceived → DeferredNVD modified 2026-10-16 20:04
  2. First seenCVSS 6.0NVD modified 2026-10-15 07:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 1