ACTIVELY EXPLOITED
CVE-2023-22527: Atlassian Confluence Data Center and Server Template Injection Vulnerability
| Vendor | Atlassian |
|---|---|
| Product | Confluence Data Center and Server |
| Actively exploited | Yes |
| Added to CISA KEV | 24 Jan 2024 |
| CISA federal deadline | 14 Feb 2024 |
| Ransomware use | Known |
| Weakness (CWE) | CWE-74 |
Required action (CISA's text)
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Description (NVD)
Atlassian Confluence Data Center and Server contain an unauthenticated OGNL template injection vulnerability that can lead to remote code execution.
SOURCES
Other Atlassian flaws
- CVE-2026-21589: Atlassian Multiple Products Files or Directories Accessible to External Parties Vulnerability
- CVE-2021-26086: Atlassian Jira Server and Data Center Path Traversal Vulnerability
- CVE-2023-22518: Atlassian Confluence Data Center and Server Improper Authorization Vulnerability
- CVE-2023-22515: Atlassian Confluence Data Center and Server Broken Access Control Vulnerability
- CVE-2022-36804: Atlassian Bitbucket Server and Data Center Command Injection Vulnerability
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.