SB2026072611 - Information disclosure in Confluence Data Center
Published: July 26, 2026
Security Bulletin ID
SB2026072611
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Information disclosure (CVE-ID: CVE-2026-21579)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to information disclosure in Confluence Data Center when handling requests. A remote attacker can send a request to disclose sensitive information.
Remediation
Install update from vendor's website.