# Atlassian Confluence Server vulnerabilities

Source: https://junglewise.ai/threats/technologies/confluence-server  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/confluence-server.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 10 vulnerabilities in Atlassian Confluence Server: 0 in the last 7 days and 0 in the last 90 days, 9 of them critical and 9 exploited in the wild. The most recent, CVE-2023-22527, was published on 24 January 2024.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 10 (9 critical, 9 exploited in the wild)

## About Atlassian Confluence Server

Atlassian wiki and team collaboration platform for content management and documentation.

## Latest Atlassian Confluence Server vulnerabilities

- [CVE-2023-22527: Atlassian Confluence Data Center and Server Template Injection Vulnerability](https://junglewise.ai/threats/cve-2023-22527-atlassian-confluence-data-center-and-server-template-injection) (critical, exploited in the wild, CVSS 10, published 24 Jan 2024)
- [CVE-2023-22518: Atlassian Confluence Data Center and Server Improper Authorization Vulnerability](https://junglewise.ai/threats/cve-2023-22518-atlassian-confluence-data-center-and-server-improper) (critical, exploited in the wild, CVSS 10, published 7 Nov 2023)
- [CVE-2023-22515: Atlassian Confluence Data Center and Server Broken Access Control Vulnerability](https://junglewise.ai/threats/cve-2023-22515-atlassian-confluence-data-center-and-server-broken-access-control) (critical, exploited in the wild, CVSS 10, published 5 Oct 2023)
- [CVE-2022-26138: Atlassian Questions For Confluence App Hard-coded Credentials Vulnerability](https://junglewise.ai/threats/cve-2022-26138-atlassian-questions-for-confluence-app-hard-coded-credentials) (critical, exploited in the wild, CVSS 9.8, published 29 Jul 2022)
- [CVE-2022-26134: Atlassian Confluence Server and Data Center Remote Code Execution Vulnerability](https://junglewise.ai/threats/cve-2022-26134-atlassian-confluence-server-and-data-center-remote-code-execution) (critical, exploited in the wild, CVSS 9.8, published 2 Jun 2022)
- [CVE-2021-26085: Atlassian Confluence Server Pre-Authorization Arbitrary File Read Vulnerability](https://junglewise.ai/threats/cve-2021-26085-atlassian-confluence-server-pre-authorization-arbitrary-file-read) (critical, exploited in the wild, CVSS 5.3, published 28 Mar 2022)
- [CVE-2019-3396: Atlassian Confluence Server and Data Center Server-Side Template Injection Vulnerability](https://junglewise.ai/threats/cve-2019-3396-atlassian-confluence-server-and-data-center-server-side-template) (critical, exploited in the wild, CVSS 9.8, published 3 Nov 2021)
- [CVE-2019-3398: Atlassian Confluence Server and Data Center Path Traversal Vulnerability](https://junglewise.ai/threats/cve-2019-3398-atlassian-confluence-server-and-data-center-path-traversal) (critical, exploited in the wild, CVSS 8.8, published 3 Nov 2021)
- [CVE-2021-26084: Atlassian Confluence Server and Data Center Object-Graph Navigation Language (OGNL) Injection Vulnerability](https://junglewise.ai/threats/cve-2021-26084-atlassian-confluence-server-and-data-center-object-graph) (critical, exploited in the wild, CVSS 9.8, published 3 Nov 2021)
- [CVE-2016-6668: Atlassian HipChat Integration Plugin secret key disclosure](https://junglewise.ai/threats/cve-2016-6668-atlassian-hipchat-integration-plugin-secret-key-disclosure) (high, CVSS 7.5, published 23 Jan 2017)

## Most severe Atlassian Confluence Server vulnerabilities

- [CVE-2023-22527: Atlassian Confluence Data Center and Server Template Injection Vulnerability](https://junglewise.ai/threats/cve-2023-22527-atlassian-confluence-data-center-and-server-template-injection) (critical, exploited in the wild, CVSS 10, published 24 Jan 2024)
- [CVE-2023-22518: Atlassian Confluence Data Center and Server Improper Authorization Vulnerability](https://junglewise.ai/threats/cve-2023-22518-atlassian-confluence-data-center-and-server-improper) (critical, exploited in the wild, CVSS 10, published 7 Nov 2023)
- [CVE-2023-22515: Atlassian Confluence Data Center and Server Broken Access Control Vulnerability](https://junglewise.ai/threats/cve-2023-22515-atlassian-confluence-data-center-and-server-broken-access-control) (critical, exploited in the wild, CVSS 10, published 5 Oct 2023)
- [CVE-2022-26138: Atlassian Questions For Confluence App Hard-coded Credentials Vulnerability](https://junglewise.ai/threats/cve-2022-26138-atlassian-questions-for-confluence-app-hard-coded-credentials) (critical, exploited in the wild, CVSS 9.8, published 29 Jul 2022)
- [CVE-2022-26134: Atlassian Confluence Server and Data Center Remote Code Execution Vulnerability](https://junglewise.ai/threats/cve-2022-26134-atlassian-confluence-server-and-data-center-remote-code-execution) (critical, exploited in the wild, CVSS 9.8, published 2 Jun 2022)
- [CVE-2019-3396: Atlassian Confluence Server and Data Center Server-Side Template Injection Vulnerability](https://junglewise.ai/threats/cve-2019-3396-atlassian-confluence-server-and-data-center-server-side-template) (critical, exploited in the wild, CVSS 9.8, published 3 Nov 2021)
- [CVE-2021-26084: Atlassian Confluence Server and Data Center Object-Graph Navigation Language (OGNL) Injection Vulnerability](https://junglewise.ai/threats/cve-2021-26084-atlassian-confluence-server-and-data-center-object-graph) (critical, exploited in the wild, CVSS 9.8, published 3 Nov 2021)
- [CVE-2019-3398: Atlassian Confluence Server and Data Center Path Traversal Vulnerability](https://junglewise.ai/threats/cve-2019-3398-atlassian-confluence-server-and-data-center-path-traversal) (critical, exploited in the wild, CVSS 8.8, published 3 Nov 2021)
- [CVE-2021-26085: Atlassian Confluence Server Pre-Authorization Arbitrary File Read Vulnerability](https://junglewise.ai/threats/cve-2021-26085-atlassian-confluence-server-pre-authorization-arbitrary-file-read) (critical, exploited in the wild, CVSS 5.3, published 28 Mar 2022)
- [CVE-2016-6668: Atlassian HipChat Integration Plugin secret key disclosure](https://junglewise.ai/threats/cve-2016-6668-atlassian-hipchat-integration-plugin-secret-key-disclosure) (high, CVSS 7.5, published 23 Jan 2017)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Atlassian technologies

- [Atlassian Confluence Data Center](https://junglewise.ai/threats/technologies/confluence-data-center): 14 vulnerabilities
- [Atlassian Temporal Server](https://junglewise.ai/threats/technologies/server): 13 vulnerabilities
- [Atlassian Jira Align](https://junglewise.ai/threats/technologies/jira-align): 11 vulnerabilities
- [Atlassian Data Center](https://junglewise.ai/threats/technologies/data-center): 6 vulnerabilities
- [Atlassian Jira Data Center](https://junglewise.ai/threats/technologies/jira-data-center): 3 vulnerabilities
- [Atlassian Jira Server](https://junglewise.ai/threats/technologies/jira-server): 3 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Atlassian Confluence Server vulnerabilities", https://junglewise.ai/threats/technologies/confluence-server, 9 November 2026.