What is CVE-2026-41217?

CVE-2026-41217 is a high-severity vulnerability in F5 Big-ip, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.9/10. Published 2026-05-13.

How severe is CVE-2026-41217?

High severity. CVSS v3 base score is 7.9 out of 10.

Vulnerability in F5 Big-ip

CVE-2026-41217

A vulnerability exists in an undisclosed BIG-IP TMOS Shell (tmsh) command that may allow an authenticated attacker with resource administrator or administrator role to execute arbitrary system commands with higher privileges. In Appliance…

EPSS: 0.000 (7.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.9 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N.

Affected products

F5 Big-ip — versions 21.1.0, 21.0.0, 17.5.0

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

f5sirt@f5.com (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-41217?: CVE-2026-41217 is a high-severity vulnerability in F5 Big-ip, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.9/10. Published 2026-05-13.
How severe is CVE-2026-41217?: High severity. CVSS v3 base score is 7.9 out of 10.