CVE-2026-42058

MEDIUM

F5 BIG-IP 16.1.0-21.1.0 - Authenticated Information Disclosure via iControl REST

Title source: llm
STIX 2.1

Description

An authenticated attacker's undisclosed requests to BIG-IP iControl REST can lead to an information leak of BIG-IP local user account names.  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/K000160903

Scores

CVSS v3 4.3
EPSS 0.0005
EPSS Percentile 15.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-732
Status published
Products (5)
F5/BIG-IP 16.1.0
F5/BIG-IP 17.1.0 - 17.1.3.2
F5/BIG-IP 17.5.0 - 17.5.1.6
F5/BIG-IP 21.0.0 - 21.0.0.2
F5/BIG-IP 21.1.0
Published May 13, 2026
Tracked Since May 13, 2026