CVE-2026-42063 iControl SOAP vulnerability

Medium 6.9 Published Updated

Authenticated administrators can download sensitive files from F5 BIG-IP devices via the iControl SOAP interface.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-42063?

CVE-2026-42063 is a medium-severity path traversal vulnerability in F5 Big-Ip Access Policy Manager, published on 13 May 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A vulnerability exists in iControl SOAP where an authenticated attacker with the Resource Administrator or Administrator role can download sensitive files.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Weakness: CWE-552

Which versions are affected by CVE-2026-42063?

It affects 21 products.

Products include F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Advanced Web Application Firewall, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager and 15 more.

How do I fix CVE-2026-42063?

No fix has been published for CVE-2026-42063 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2026-42063 being exploited?

There is no known exploitation of CVE-2026-42063 in the wild and no public exploit code.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-3xq5-wvjc-3jpx.

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