Question 1

What is CVE-2026-93866 — CVE-2026-93866?

Accepted Answer

An integer overflow vulnerability in the WebSocket connection handling used by WatchGuard Fireware OS's Access Portal allows a remote, unauthenticated attacker to write beyond the bounds of a heap buffer by sending a specially crafted request while the Access Portal feature is enabled.

Question 2

What is the authoritative source for CVE-2026-93866?

Accepted Answer

CVE-2026-93866 (CVE-2026-93866) is catalogued in NVD + CISA KEV + FIRST EPSS and curated for EU compliance use cases by SQUR.

CVE-2026-93866CVE-2026-93866

Description

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