PT-2026-40663 · F5 · Big-Ip+1

Published 2026-05-13 · Updated 2026-05-17 · CVE-2026-41954

Positive Technologies (AI Summary)

CVSS v3.1

4.9

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions F5 BIG-IP (affected versions not specified) F5 BIG-IQ (affected versions not specified)

Description An information disclosure issue exists in an undisclosed iControl REST endpoint and the TMOS Shell (tmsh) command. This allows an authenticated attacker with resource administrator role privileges to view sensitive information.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2026-41954

Affected Products

Big-Ip

Big-Iq

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-41954 · Security Note
• https://twitter.com/f1tym1/status/2056002974548210151 · Twitter Post
• https://my.f5.com/manage/s/article/K32950402 · Patch, Vendor Advisory