CVE-2026-41219: BIG-IP QKView vulnerability
Published May 13, 2026
·Updated
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
Affected Software
65 affected components
F5 Networks BIG-IP QKView
F5 BIG-IP Access Policy Manager>=17.1.0<=17.1.3
F5 BIG-IP Access Policy Manager>=17.5.0<=17.5.1
F5 BIG-IP Advanced Firewall Manager>=17.1.0<=17.1.3
F5 BIG-IP Advanced Firewall Manager>=17.5.0<=17.5.1
F5 Big-ip Advanced Web Application Firewall>=17.1.0<=17.1.3
F5 Big-ip Advanced Web Application Firewall>=17.5.0<=17.5.1
F5 BIG-IP Analytics>=17.1.0<=17.1.3
F5 BIG-IP Analytics>=17.5.0<=17.5.1
F5 Big-ip Application Acceleration Manager>=17.1.0<=17.1.3
F5 Big-ip Application Acceleration Manager>=17.5.0<=17.5.1
F5 BIG-IP Application Security Manager>=17.1.0<=17.1.3
F5 BIG-IP Application Security Manager>=17.5.0<=17.5.1
F5 Big-ip Application Visibility And Reporting>=17.1.0<=17.1.3
F5 Big-ip Application Visibility And Reporting>=17.5.0<=17.5.1
F5 Big-ip Automation Toolchain>=17.1.0<=17.1.3
F5 Big-ip Automation Toolchain>=17.5.0<=17.5.1
F5 Big-ip Carrier-grade Nat>=17.1.0<=17.1.3
F5 Big-ip Carrier-grade Nat>=17.5.0<=17.5.1
F5 BIG-IP Container Ingress Services>=17.1.0<=17.1.3
F5 BIG-IP Container Ingress Services>=17.5.0<=17.5.1
F5 Big-ip Ddos Hybrid Defender>=17.1.0<=17.1.3
F5 Big-ip Ddos Hybrid Defender>=17.5.0<=17.5.1
F5 Big-ip Domain Name System>=17.1.0<=17.1.3
F5 Big-ip Domain Name System>=17.5.0<=17.5.1
F5 BIG-IP Edge Gateway>=17.1.0<=17.1.3
F5 BIG-IP Edge Gateway>=17.5.0<=17.5.1
F5 Big-ip Fraud Protection Service>=17.1.0<=17.1.3
F5 Big-ip Fraud Protection Service>=17.5.0<=17.5.1
F5 Big-ip Global Traffic Manager>=17.1.0<=17.1.3
F5 Big-ip Global Traffic Manager>=17.5.0<=17.5.1
F5 Big-ip Link Controller>=17.1.0<=17.1.3
F5 Big-ip Link Controller>=17.5.0<=17.5.1
F5 Big-ip Local Traffic Manager>=17.1.0<=17.1.3
F5 Big-ip Local Traffic Manager>=17.5.0<=17.5.1
F5 Big-ip Policy Enforcement Manager>=17.1.0<=17.1.3
F5 Big-ip Policy Enforcement Manager>=17.5.0<=17.5.1
F5 BIG-IP SSL Orchestrator>=17.1.0<=17.1.3
F5 BIG-IP SSL Orchestrator>=17.5.0<=17.5.1
F5 Big-ip Webaccelerator>=17.1.0<=17.1.3
F5 Big-ip Webaccelerator>=17.5.0<=17.5.1
F5 Big-ip Websafe>=17.1.0<=17.1.3
F5 Big-ip Websafe>=17.5.0<=17.5.1
F5 BIG-IP Access Policy Manager>=16.1.0<=16.1.6
F5 BIG-IP Advanced Firewall Manager>=16.1.0<=16.1.6
F5 Big-ip Advanced Web Application Firewall>=16.1.0<=16.1.6
F5 BIG-IP Analytics>=16.1.0<=16.1.6
F5 Big-ip Application Acceleration Manager>=16.1.0<=16.1.6
F5 BIG-IP Application Security Manager>=16.1.0<=16.1.6
F5 Big-ip Application Visibility And Reporting>=16.1.0<=16.1.6
F5 Big-ip Automation Toolchain>=16.1.0<=16.1.6
F5 Big-ip Carrier-grade Nat>=16.1.0<=16.1.6
F5 BIG-IP Container Ingress Services>=16.1.0<=16.1.6
F5 Big-ip Ddos Hybrid Defender>=16.1.0<=16.1.6
F5 Big-ip Domain Name System>=16.1.0<=16.1.6
F5 BIG-IP Edge Gateway>=16.1.0<=16.1.6
F5 Big-ip Fraud Protection Service>=16.1.0<=16.1.6
F5 Big-ip Global Traffic Manager>=16.1.0<=16.1.6
F5 Big-ip Link Controller>=16.1.0<=16.1.6
F5 Big-ip Local Traffic Manager>=16.1.0<=16.1.6
F5 Big-ip Policy Enforcement Manager>=16.1.0<=16.1.6
F5 BIG-IP SSL Orchestrator>=16.1.0<=16.1.6
F5 Big-ip Webaccelerator>=16.1.0<=16.1.6
F5 Big-ip Websafe>=16.1.0<=16.1.6
F5 BIG-IQ Centralized Management=8.4.0
Event History
May 13, 2026
CVE Published
via MITRE·02:12 PM
Data Sourced
via MITRE·02:12 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·04:16 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-41219?
The severity of CVE-2026-41219 is high, with a CVSS score of 7.1.
2
How does CVE-2026-41219 exploit the BIG-IP QKView utility?
CVE-2026-41219 exploits an improper sanitization vulnerability, allowing a low-privileged attacker to read sensitive information from a QKView file.
3
What software is affected by CVE-2026-41219?
CVE-2026-41219 affects several F5 BIG-IP software modules, including Access Policy Manager, Advanced Firewall Manager, and others.
4
What are the risks associated with CVE-2026-41219?
CVE-2026-41219 poses a risk as it allows unauthorized access to sensitive information, potentially compromising system security.
5
How can I mitigate CVE-2026-41219?
To mitigate CVE-2026-41219, ensure that you are using a supported version of the F5 BIG-IP software and apply appropriate security patches.