CVE-2026-86136

Published Sep 30, 2026 CWE-22 CWE-476 CWE-862

Description

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.

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Weakness Type (CWE)

CWE-22 Path Traversal
CWE-476 CWE-476
CWE-862 Missing Authorization

References

Frequently Asked Questions

What is CVE-2026-86136? +
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.
How do I check if I'm vulnerable to CVE-2026-86136? +
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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