CVE•Published 2026-09-30•Modified 2026-10-06•0 articles on news•3 live references•NVD data

CVE-2026-86105Watchguard · Fireware

Vulnerability data via NVD (ingested)

CVSS v3.1

7.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

EPSS percentile

Exploit Prediction Scoring System · top 73% of all CVEs

Weaknesses (CWE)

CWE-22Improper Limitation of a Pathname to a Restricted Directory CWE-176Improper Handling of Unicode Encoding CWE-285Improper Authorization

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.

Timeline

Published 2026-09-30

Modified 2026-10-06

External references

NVD MITRE VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-86105

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · OS

os:"Fireware"

Hosts Shodan identified as running Fireware.

More intel sources (5)

Shodan report

vuln:CVE-2026-86105

Country / ASN / product breakdown for the vuln query.

Censys

vulnerabilities.cve_id: CVE-2026-86105