BIG-IP

CVE-2026-40703: BIG-IP Configuration utility CSRF vulnerability

A cross-site request forgery (CSRF) vulnerability exists in the dashboard of the BIG-IP Configuration utility.

Published

ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityMEDIUMCVSS 4.0 5.3
EPSS0.14%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 / branchFixed in
BIG-IP 21.0Not affected
BIG-IP 17.517.5.1.4 or later
BIG-IP 17.117.1.3.1 or later
BIG-IP 16.1* or later

Always confirm against the vendor advisory, which lists every fixed hotfix.

What it is

A cross-site request forgery (CSRF) vulnerability exists in the dashboard of the BIG-IP Configuration utility.  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.

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