Atlassian Confluence Server and Data Center
YES - ON THE CISA KEV LIST
CVE-2019-3398
Atlassian Confluence Server and Data Center Path Traversal Vulnerability
overdue since 2022-05-03
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 path traversal vulnerability in the downloadallattachments resource that may allow a privileged, remote attacker to write files. Exploitation can lead to remote code execution.
Required action (CISA)
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2019-3398
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-2022-26134 - Confluence Server/Data Center (2022-06-02)
Go deeper
KEV deadlines are a governance problem as much as a patching one. TrebSec's AI governance packs help small teams document, assign, and evidence exactly this work.
AI Governance Policy Pack - $79 AI Vendor Workbook - $49 Both packs bundled - $99