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CVE-2026-42406highCWE-267

BIG-IP and BIG-IQ privilege escalation vulnerability

21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 8.5epss 0.1%
exploitation probability
0.1%top 95% of all CVEs
observed exploitation
nono source reports it
A vulnerability exists in BIG-IP and BIG-IQ systems where a highly privileged, authenticated attacker with at least the Certificate Manager role can modify configuration objects that allow running arbitrary commands.     Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Affected products
F5 · BIG-IPF5 · BIG-IQ