f5 big-ip CVE-2026-41219 vulnerability in F5 Networks Products
Published on May 13, 2026

BIG-IP QKView vulnerability
An improper sanitization vulnerability exists in the BIG-IP QKView utility that allows a low-privileged attacker to read sensitive information from a QKView file.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Vendor Advisory NVD

Vulnerability Analysis

CVE-2026-41219 can be exploited with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity and availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
NONE
Availability Impact:
NONE

Weakness Type

Insertion of Sensitive Information into Log File

Information written to log files can be of a sensitive nature and give valuable guidance to an attacker or expose sensitive user information.


Products Associated with CVE-2026-41219

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F5 Networks Big Ip
 
F5 Networks
 

Affected Versions

F5 BIG-IP: F5 BIG-IQ: