MEDIUM 6.0 NVD

CVE-2026-19377

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

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.

References

https://knowledge.catonetworks.com/docs/security-vulnerability-cve-2026-19377-that-impacts

Published: 2026-10-15 · Source: NVD · Feed updated: 2026-10-15

This medium severity vulnerability with a CVSS score of 6.0 was published on 2026-10-15 via NVD.

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