Vulnerability in F5 Big-ip

CVE-2026-41225

A vulnerability exists in iControl REST where a highly privileged, authenticated attacker with at least the Manager role can create configuration objects that allow running arbitrary commands.  Note: Software versions which have reached E…

EPSS: 0.001 (25.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

  • F5 Big-ip — versions 21.1.0, 21.0.0, 17.5.0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-41225?
CVE-2026-41225 is a critical-severity vulnerability in F5 Big-ip, classified under CWE-648. CVSS score: 9.1/10. Published 2026-05-13.
How severe is CVE-2026-41225?
Critical severity. CVSS v3 base score is 9.1 out of 10.