PT-2026-40665 · F5 · Big-Ip+1

Published 2026-05-13 · Updated 2026-05-13 · CVE-2026-41957

NVD

CVSS v3.1

8.8

High

Base vector

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

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.

Fix

Deserialization of Untrusted Data

Weakness Enumeration

CWE-502

Related Identifiers

CVE-2026-41957

Affected Products

Big-Ip

Big-Iq

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-41957 · Security Note
• https://my.f5.com/manage/s/article/K000156761 · Patch, Vendor Advisory