High (7.5) in atlassian. EPSS 3.1% chance of exploitation in the next 30 days.
Affected versions of Atlassian Jira Server and Data Center allow remote attackers to enumerate project keys via an Information Disclosure vulnerability in the /browse.PROJECTKEY endpoint. The affected versions are before version 7.13.7, from version 8.0.0 before 8.5.8, and from version 8.6.0 before 8.12.0.
Severity
CVSS 3.1
7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
3.1% chance of exploitation in the next 30 days; higher than 87% of CVEs (scores of 2026-10-31)