CVE-2026-40629

BIG-IP SSL/TLS vulnerability

CVSS 8.7 HIGHEPSS 0.3%CWE-770

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.7EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

13 May 2026Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

When SSL profiles are configured on a virtual server, undisclosed traffic can cause the virtual server to stop processing new client connections. 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:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Affected products

F5 · BIG-IP F5 · BIG-IP Next CNF F5 · BIG-IP Next for Kubernetes F5 · BIG-IP Next SPK

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References

https://my.f5.com/manage/s/article/K000158978