BIG-IQ and F5OS
CVE-2025-46265: F5OS vulnerability
On F5OS, an improper authorization vulnerability exists where remotely authenticated users (LDAP, RADIUS, TACACS+) may be authorized with higher privilege F5OS roles.
Published
ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityHIGHCVSS 4.0 8.7
EPSS0.39%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| F5OS - Appliance 1.7 | 1.8.0 or later |
| F5OS - Appliance 1.5 | 1.5.2 or later |
| F5OS - Chassis 1.6 | 1.8.0 or later |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
On F5OS, an improper authorization vulnerability exists where remotely authenticated users (LDAP, RADIUS, TACACS+) may be authorized with higher privilege F5OS roles. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 12 Oct 2026.