CVE-2026-90441
highA missing authorization vulnerability in the wgagent management daemon's session initialization function allows an authenticated, low-privileged user (includin…
Vendor / product: Watchguard — fireware
A missing authorization vulnerability in the wgagent management daemon's session initialization function allows an authenticated, low-privileged user (including a read-only or guest administrator account) to crash the wgagent process and read arbitrary files accessible to the daemon by submitting a specially crafted management API request.
CVSS
8.1
8.1 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-09-30 00:16
Modified: 2026-10-06 20:02
NVD status: Analyzed
Last synced 2 days ago
Verified against the source API 2026-10-27 06:56 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
watchguard / fireware ≥12.0 <12.5.21, ≥12.12 <12.12.3, ≥2025.0 <2026.2.3, ≥2026.3 <2026.3.2
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Vendor advisory: https://psirt.watchguard.com/CVE-2026-90441
Patch / mitigation: https://psirt.watchguard.com/CVE-2026-90441
References
- https://psirt.watchguard.com/CVE-2026-90441 5d1c2695-1a31-4499-88ae-e847036fd7e3
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 06:56 UTC · record ↗