CVE-2026-41957

HIGH

F5 - BIG-IP and BIG-IQ Configuration Utility Vulnerability

Title source: rule

Description

An authenticated remote code execution vulnerability through undisclosed vectors exists in the BIG-IP and BIG-IQ Configuration utility. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory patch

https://my.f5.com/manage/s/article/K000156761

Scores

CVSS v3 8.8

EPSS 0.0068

EPSS Percentile 71.8%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-502

Status published

Products (5)

F5/BIG-IP 16.1.0

F5/BIG-IP 17.1.0 - 17.1.3.1

F5/BIG-IP 17.5.0 - 17.5.1.4

F5/BIG-IP 21.0.0

F5/BIG-IQ 8.4.0 - 8.4.1

Published May 13, 2026

Tracked Since May 13, 2026