Exploited CVEs / By vendor / Atlassian
Atlassian vulnerabilities actively exploited
13 Atlassian CVEs on the CISA Known Exploited Vulnerabilities catalog, newest first. Refreshed daily.
Every CVE below is confirmed exploited in the wild, not just theoretically severe. The newest addition is CVE-2021-26086 (Jira Server and Data Center, added 2024-11-12). 8 of the 13 are used in ransomware campaigns. New CISA KEV entries appear here the day they are cataloged; the freshest across all vendors are on exploited this week.
Ask your own AI about Atlassian exploited CVEs
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Confluence Data Center and Server: 3 exploited CVEs
| CVE | Product | Added to KEV | Signals |
|---|---|---|---|
| CVE-2023-22527 | Confluence Data Center and Server | 2024-01-24 | ransomware, CVSS 9.8, EPSS 100% |
| CVE-2023-22518 | Confluence Data Center and Server | 2023-11-07 | ransomware, CVSS 9.8, EPSS 100% |
| CVE-2023-22515 | Confluence Data Center and Server | 2023-10-05 | ransomware, CVSS 9.8, EPSS 99% |
Other Atlassian products
| CVE | Product | Added to KEV | Signals |
|---|---|---|---|
| CVE-2021-26086 | Jira Server and Data Center | 2024-11-12 | CVSS 5.3, EPSS 100% |
| CVE-2022-36804 | Bitbucket Server and Data Center | 2022-09-30 | CVSS 8.8, EPSS 99% |
| CVE-2022-26138 | Confluence | 2022-07-29 | CVSS 9.8, EPSS 98% |
| CVE-2022-26134 | Confluence Server/Data Center | 2022-06-02 | ransomware, CVSS 9.8, EPSS 100% |
| CVE-2021-26085 | Confluence Server | 2022-03-28 | ransomware, CVSS 5.3, EPSS 100% |
| CVE-2019-11581 | Jira Server and Data Center | 2022-03-07 | CVSS 9.8, EPSS 85% |
| CVE-2019-11580 | Crowd and Crowd Data Center | 2021-11-03 | ransomware, CVSS 9.8, EPSS 95% |
| CVE-2019-3396 | Confluence Server and Data Server | 2021-11-03 | ransomware, CVSS 9.8, EPSS 100% |
| CVE-2019-3398 | Confluence Server and Data Center | 2021-11-03 | CVSS 8.8, EPSS 97% |
| CVE-2021-26084 | Confluence Server and Data Center | 2021-11-03 | ransomware, CVSS 9.8, EPSS 100% |
Common questions about exploited Atlassian CVEs
Which Atlassian vulnerabilities are actively exploited?
As of July 2026, 13 Atlassian CVEs are on the CISA Known Exploited Vulnerabilities catalog, meaning exploitation in the wild is confirmed. The most-listed products are Confluence Data Center and Server (3). 8 are linked to ransomware campaigns.
What is the newest exploited Atlassian CVE?
CVE-2021-26086, affecting Jira Server and Data Center, added to the CISA KEV catalog on 2024-11-12. This page refreshes daily, so the newest entry is always first in the table.
How urgent are these Atlassian CVEs?
KEV listing is the strongest fix-first signal there is: it means confirmed exploitation, not a prediction. Patch these ahead of higher-CVSS issues that nobody is exploiting. Check the vendor advisory (linked below) for fixed versions and workarounds.
Can I ask my own AI about exploited Atlassian CVEs?
Yes. This page includes a free copy-paste AI prompt carrying the newest Atlassian KEV entries, with CVSS, EPSS, and ransomware context, into Claude, ChatGPT, or Copilot. The data is refreshed daily.
Authoritative references
All vendors, searchable with due dates and CSV export: the exploited-CVE tracker. Every vendor with a page: exploited by vendor.