Quick answers
- Is CVE-2026-41219 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-41219 being exploited in the wild.
- How severe is CVE-2026-41219?
- Medium severity, with a CVSS score of 6.5, published 13 May 2026.
- Which products and versions are affected?
- F5 BIG-IP All versions prior to End of Technical Support (EoTS); F5 BIG-IP QKView All versions prior to EoTS (End of Technical Support) are impacted.
- Is there a fix for CVE-2026-41219?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-41219 attacked?
- It is attacked with local access, in a network appliance.
- Am I affected by CVE-2026-41219?
- Check whether you run F5 BIG-IP or F5 BIG-IP QKView at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
An improper sanitization vulnerability exists in the F5 BIG-IP QKView utility. The root cause is a failure to properly scrub or protect sensitive data within the diagnostic files generated by the utility. A local attacker with low-privileged access can exploit this to read sensitive information contained within a QKView file. This is categorized as an information disclosure vulnerability. F5 notes that software versions which have reached End of Technical Support (EoTS) were not evaluated for this flaw.
Affected products
- F5 BIG-IP QKView All versions prior to EoTS (End of Technical Support) are impacted
Timeline
- 2026-05-13: advisory: Vulnerability published by F5 and NVD