Resource exhaustion in Confluence Data Center - CVE-2025-22166
Published: October 29, 2025
Vulnerability identifier: #VU117773
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-22166
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources. A remote user can trigger resource exhaustion and perform a denial of service (DoS) attack.
Affected software
Confluence Data Center
How to mitigate CVE-2025-22166
Install updates from vendor's website.
Confluence Data Center - addressed in versions 8.5.25, 9.2.7, 9.5.2, 10.0.2