ACTIVELY EXPLOITED
CVE-2019-11580: Atlassian Crowd and Crowd Data Center Remote Code Execution Vulnerability
| Vendor | Atlassian |
|---|---|
| Product | Crowd and Crowd Data Center |
| Actively exploited | Yes |
| Added to CISA KEV | 3 Nov 2021 |
| CISA federal deadline | 3 May 2022 |
| Ransomware use | Known |
Required action (CISA's text)
Apply updates per vendor instructions.
Description (NVD)
Atlassian Crowd and Crowd Data Center contain a remote code execution vulnerability resulting from a pdkinstall development plugin being incorrectly enabled in release builds.
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-2023-22527: Atlassian Confluence Data Center and Server Template Injection 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
Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 10 Nov 2026.