High (7.5) in misp-project misp. EPSS 1.3% chance of exploitation in the next 30 days.
app/Model/Attribute.php in MISP 2.4.127 lacks an ACL lookup on attribute correlations. This occurs when querying the attribute restsearch API, revealing metadata about a correlating but unreachable attribute.
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
1.3% chance of exploitation in the next 30 days; higher than 69% of CVEs (scores of 2026-10-31)