Vulnerability · Published May 13, 2026 · Assigned by f5

CVE-2026-41219BIG-IP QKView vulnerability

Medium 6.5

In plain English

A medium-severity sensitive data in logs 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 0.3% (higher than 20% of all known vulnerabilities).

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 79.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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 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 *
F5 BIG-IQ 8.4.0 – before 8.4.1

Weakness: CWE-532 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References