Live › vulnerability › CVE-2022-26134
Go to dashboardAtlassian Confluence Server and Data Center has a remote code execution flaw that needs no login. An unauthenticated attacker can run code on the server, and the flaw is actively exploited in the wild, with ransomware use noted in the catalog.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 19:11 UTC, 3h before NVD. All times on this page are UTC.
Immediately block all internet traffic to and from affected products AND apply the update per vendor instructions [https://confluence.atlassian.com/doc/confluence-security-advisory-2022-06-02-1130377146.html] OR remove the affected products by the due date on the right. Note: Once the update is successfully deployed, agencies can reassess the internet blocking rules.
| Product | Ecosystem | Affected | Fixed in |
|---|---|---|---|
| Atlassian Confluence Server/Data Center | vendor | – | – |
| atlassian confluence data center | vendor | >= 1.3, < 7.4.17 | 7.4.17 |
| atlassian confluence data center | vendor | >= 7.13.0, < 7.13.7 | 7.13.7 |
| atlassian confluence data center | vendor | >= 7.14.0, < 7.14.3 | 7.14.3 |
| atlassian confluence data center | vendor | >= 7.15.0, < 7.15.2 | 7.15.2 |
| atlassian confluence data center | vendor | >= 7.16.0, < 7.16.4 | 7.16.4 |
| atlassian confluence data center | vendor | >= 7.17.0, < 7.17.4 | 7.17.4 |
| atlassian confluence data center | vendor | = 7.18.0 | – |
| atlassian confluence server | vendor | >= 1.3, < 7.4.17 | 7.4.17 |
| atlassian confluence server | vendor | >= 7.13.0, < 7.13.7 | 7.13.7 |
| atlassian confluence server | vendor | >= 7.14.0, < 7.14.3 | 7.14.3 |
| atlassian confluence server | vendor | >= 7.15.0, < 7.15.2 | 7.15.2 |
| atlassian confluence server | vendor | >= 7.16.0, < 7.16.4 | 7.16.4 |
| atlassian confluence server | vendor | >= 7.17.0, < 7.17.4 | 7.17.4 |
| atlassian confluence server | vendor | = 7.18.0 | – |
Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
Atlassian Confluence Server and Data Center contain a remote code execution vulnerability that allows for an unauthenticated attacker to perform remote code execution.
CISA required action: Immediately block all internet traffic to and from affected products AND apply the update per vendor instructions [https://confluence.atlassian.com/doc/confluence-security-advisory-2022-06-02-1130377146.html] OR remove the affected products by the due date on the right. Note: Once the update is successfully deployed, agencies can reassess the internet blocking rules.
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