CVE-2022-26134 Atlassian Confluence Server and Data Center Remote Code Execution

Exploited in the wild Critical 9.8 Published 3 Jun 2022 Updated 21 Oct 2025

Unauthenticated attackers can execute arbitrary code on Confluence Server or Data Center instances via OGNL injection.

Exploited in the wild: Since 2 Jun 2022
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-26134?

CVE-2022-26134 is a critical code injection vulnerability in Atlassian Confluence Data Center, published on 3 Jun 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In affected versions of Confluence Server and Data Center, an OGNL injection vulnerability exists that would allow an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance. The affected versions are from 1.3.0 before 7.4.17, from 7.13.0 before 7.13.7, from 7.14.0 before 7.14.3, from 7.15.0 before 7.15.2, from 7.16.0 before 7.16.4, from 7.17.0 before 7.17.4, and from 7.18.0 before 7.18.1.

Weakness: CWE-917

Which versions are affected by CVE-2022-26134?

It affects 2 products.

Products include Atlassian Confluence Data Center, Atlassian Confluence Server.

How do I fix CVE-2022-26134?

No fix has been published for CVE-2022-26134 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 6 Jun 2022.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2022-26134 being exploited?

Yes. Attackers have exploited CVE-2022-26134 in the wild since at least 2 Jun 2022, including in ransomware campaigns.

Public exploit code: 1 Metasploit module, 1 Exploit-DB entry, 1 Nuclei template and 72 proofs of concept on GitHub.

Sources

Also known as GHSA-653m-wpjp-54c4.