CVE-2026-42780 BIG-IP SSL Orchestrator vulnerability

Medium 6.9 Published Updated

Authenticated high-privilege attackers can overwrite, delete, or corrupt arbitrary local files via directory traversal in BIG-IP SSL Orchestrator.

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-2026-42780?

CVE-2026-42780 is a medium-severity path traversal vulnerability in F5 Big-Ip Ssl Orchestrator, published on 13 May 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

A directory traversal vulnerability exists in BIG-IP SSL Orchestrator that allows an authenticated attacker with high privilege to overwrite, delete or corrupt arbitrary local files.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

Weakness: CWE-22

Which versions are affected by CVE-2026-42780?

It affects 1 product.

Products include F5 Big-Ip Ssl Orchestrator.

How do I fix CVE-2026-42780?

No fix has been published for CVE-2026-42780 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-2026-42780 being exploited?

There is no known exploitation of CVE-2026-42780 in the wild and no public exploit code.

All F5 Big-Ip Ssl Orchestrator vulnerabilities

Sources

Also known as GHSA-4m3x-cfc5-6ccg.

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