Atlassian Confluence Server/Data Center
YES - ON THE CISA KEV LIST
CVE-2022-26134
Atlassian Confluence Server and Data Center Remote Code Execution Vulnerability
overdue since 2022-06-06
Atlassian: 14 entries (0.8% of all KEV entries are from this vendor); 1 added in 2026.
BOD 26-04 note: this is the date printed in the CISA catalog. A federal agency's actual deadline is set by its SSVC tier - Act (3 days), Attend (14 days), Track (60 days), or the next scheduled upgrade - counted from the KEV listing date or the date the vulnerability is identified in its environment, whichever comes first. Use the tier helper on each CVE page for your own window.
Your BOD 26-04 window (SSVC tier helper)
Your remediation window ends:
Description
Atlassian Confluence Server and Data Center contain a remote code execution vulnerability that allows for an unauthenticated attacker to perform remote code execution.
Required action (CISA)
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.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2022-26134
References
Other KEV entries for this vendor: Atlassian
- CVE-2026-21589 - Multiple Products (2026-10-15)
- CVE-2021-26086 - Jira Server and Data Center (2024-11-12)
- CVE-2023-22527 - Confluence Data Center and Server (2024-01-24)
- CVE-2023-22518 - Confluence Data Center and Server (2023-11-07)
- CVE-2023-22515 - Confluence Data Center and Server (2023-10-05)
- CVE-2022-36804 - Bitbucket Server and Data Center (2022-09-30)
- CVE-2022-26138 - Confluence (2022-07-29)
- CVE-2021-26085 - Confluence Server (2022-03-28)
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