CVE-2026-40703

BIG-IP Configuration utility CSRF vulnerability

CVSS 5.3 MEDIUMEPSS 0.1%CWE-352

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.3EPSS 0.1%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

13 May 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

Affected products

F5 · BIG-IP

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References

https://my.f5.com/manage/s/article/K35544022