Vulnerability · Published Feb 4, 2026 · Assigned by f5

CVE-2026-20732BIG-IP Configuration utility vulnerability

Low 3.1

In plain English

A low-severity security flaw in BIG-IP from F5. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 9% of all known vulnerabilities).

Severity (CVSS 3.1)3.1Low
Exploit odds (30 days)0.2%top 91.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A vulnerability exists in an undisclosed BIG-IP Configuration utility page that may allow an attacker to spoof error messages.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Affected products (as reported)

VendorProductVersions
F5 BIG-IP 17.5.0 – before 17.5.1.417.1.0 – before 17.1.3.116.1.0 – before *

Weakness: CWE-451 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N

References