CVE-2026-90441 wgagent - Broken Access Control

wgagent management daemon contains a missing authorization vulnerability in session initialization, letting authenticated low-privileged users crash the process and read arbitrary files, exploit requires authenticated low-privileged user.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.23% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Denial Of Service, File System Read
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Published
30 September 2026
Updated
15 October 2026
Weakness
CWE-200

Vendor fix

Update to the latest version with authorization checks in session initialization.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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