Critical severity9.8CISA KEVNVD Advisory· Published Oct 4, 2023· Updated Jun 17, 2026
CVE-2023-22515
CVE-2023-22515
Description
Atlassian has been made aware of an issue reported by a handful of customers where external attackers may have exploited a previously unknown vulnerability in publicly accessible Confluence Data Center and Server instances to create unauthorized Confluence administrator accounts and access Confluence instances.
Atlassian Cloud sites are not affected by this vulnerability. If your Confluence site is accessed via an atlassian.net domain, it is hosted by Atlassian and is not vulnerable to this issue.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
6cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*range: >=8.0.0,<8.3.3
- (no CPE)
- (no CPE)range: >= 8.0.0
cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*range: >=8.0.0,<8.3.3
- (no CPE)
- (no CPE)range: >= 8.0.0
Patches
Vulnerability mechanics
References
5- packetstormsecurity.com/files/175225/Atlassian-Confluence-Unauthenticated-Remote-Code-Execution.htmlnvdExploitThird Party AdvisoryVDB Entry
- confluence.atlassian.com/display/KB/FAQ+for+CVE-2023-22515nvdVendor Advisory
- confluence.atlassian.com/pages/viewpage.actionnvdVendor Advisory
- jira.atlassian.com/browse/CONFSERVER-92475nvdIssue TrackingVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource
News mentions
1- Inside the customer environment: Where threat actors, vulnerabilities, and exposed assets intersectTenable Blog · May 27, 2026