CVEvulnerability
CVE-2026-86105
6.0 MEDIUM
Official page ↗
- Status
- Analyzed
- Published
- 2026-09-30
- Last modified
- 2026-10-06
- Assigner
- 5d1c2695-1a31-4499-88ae-e847036fd7e3
- CVSS 4.0 (5d1c2695-1a31-4499-88ae-e847036fd7e3)
- 6.0 MEDIUM — CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 7.1 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
- Weaknesses
- CWE-176, CWE-22, CWE-285
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.
Affected configurations
• 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)
Related
References
- https://psirt.watchguard.com/CVE-2026-86105 Patch, Vendor Advisory