CVE-2026-42780: BIG-IP SSL Orchestrator vulnerability

Published May 13, 2026
·
Updated

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.

Affected Software

4 affected components
F5 Networks BIG-IP SSL Orchestrator
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 SSL Orchestrator=21.0.0

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
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Frequently Asked Questions

1

What is the severity of CVE-2026-42780?

CVE-2026-42780 is considered a critical vulnerability due to its potential for high privilege exploitation that allows authenticated attackers to affect local files.

2

How do I fix CVE-2026-42780?

To remediate CVE-2026-42780, update to a fixed version of BIG-IP SSL Orchestrator provided by F5 Networks.

3

Who is affected by CVE-2026-42780?

CVE-2026-42780 affects users of F5 Networks BIG-IP SSL Orchestrator, specifically those with high privilege access.

4

What kind of attack does CVE-2026-42780 enable?

CVE-2026-42780 enables directory traversal attacks that allow attackers to overwrite, delete, or corrupt arbitrary local files.

5

Is there a workaround for CVE-2026-42780?

Currently, the best approach for CVE-2026-42780 is to upgrade to the latest patched version as no formal workaround has been provided.

Contact

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