CVE-2026-86105
Last modified
CVE-2026-86105 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. An improper authorization vulnerability in Fireware OS's Access Portal reverse proxy allows an authenticated, low-privileged Access Portal user to access other web applications they are not authorized for by sending a specially crafted request for a different resource which they are authorized to access.. EPSS estimates a 0.36% chance of exploitation in the next 30 days.
Description
An improper authorization vulnerability in Fireware OS's Access Portal reverse proxy allows an authenticated, low-privileged Access Portal user to access other web applications they are not authorized for by sending a specially crafted request for a different resource which they are authorized to access.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Watchguard | Fireware | >= 12.0, < 12.5.21 |
| Watchguard | Fireware | >= 12.12, < 12.12.3 |
| Watchguard | Fireware | >= 2025.0, < 2026.2.3 |
| Watchguard | Fireware | >= 2026.3, < 2026.3.2 |
References
- https://psirt.watchguard.com/CVE-2026-86105Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
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How Strix Helps
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