CVE-2022-26134 Confluence: Emulation and Detection

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Security

CVE-2022-26134 Confluence: Emulation and Detection

In this lab, you’ll practice verifying vulnerabilities and implementing protective security controls. When you’re finished with this lab, you’ll have a basic understanding of protecting Confluence servers against CVE-2022-26134.

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Lab Info

Level

Advanced

Last updated

Oct 09, 2025

Duration

1h 0m

Challenge

Setup: Configure A Test Confluence Server

You will finalize the configuration of a test Confluence Server to validate exploitation of the CVE-2022-26134 vulnerability.
Challenge

Emulation: Verify Confluence Server Vulnerability to CVE-2022-26134

In this challenge, you'll review the bug bounty hunter’s report verifying legitimacy and existence of the critical vulnerability. You’ll learn how to identify an Object-Graph Navigation Language (OGNL) injection and use the attack technique to gain access to the host operating system.
Challenge

Detection: Find Indicators of Attempted CVE-2022-26134 Exploitation

In this challenge, you’ll review the Confluence server application logs and packet capture to understand what (if any) indicators of compromise are created by abusing the vulnerability identified in the previous challenge.
Challenge

Protection: Alert on CVE-2022-26134 Attack Attempts

In this challenge, you’ll use knowledge gained in the two previous challenges to make a risk-based decision on how to best mitigate the vulnerability. You’ll assume that a patch is not currently available, and the application cannot be turned off as it’s hosting a necessary business function.
Challenge

Bonus: Taking It One Step Further

Welcome to the final challenge! This is your last chance to experiment in the environment. Clicking Finish Lab will end this little world that flittered into existence just for you.

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