CVE-2026-121639

Published Nov 4, 2026 Modified Nov 6, 2026 CWE-252 CWE-287 CWE-306

Description

A Missing Authentication for Critical Function vulnerability in WatchGuard AuthPoint Gateway allows a remote unauthenticated attacker with network access to the AuthPoint Gateway host to disrupt authentication services and delete the local directory synchronization configuration.

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EPSS — Exploit Prediction

0.0067
Probability of exploitation
0.52%
Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-252 CWE-252
CWE-287 Improper Authentication
CWE-306 Missing Authentication

References

Frequently Asked Questions

What is CVE-2026-121639? +
A Missing Authentication for Critical Function vulnerability in WatchGuard AuthPoint Gateway allows a remote unauthenticated attacker with network access to the AuthPoint Gateway host to disrupt authentication services and delete the local directory synchronization configuration.
How do I check if I'm vulnerable to CVE-2026-121639? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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