CVE-2026-63099
MediumCVSS 6.5Exploitation Probability (EPSS)
Low risk11th percentile - higher than 11% of all known CVEs
Summary
TheHive through version 4.1.24 has a broken object-level authorization vulnerability in attachment download endpoints, allowing any authenticated user to access attachments from other organizations by supplying a content-hash identifier. The missing organization-scoped check in AttachmentSrv.visible enables attackers to download arbitrary attachments.
Risk Assessment
The organization risks exposure of sensitive data stored in attachments, which could be downloaded by unauthorized users from other organizations.
Recommendation
Upgrade TheHive to version 4.1.25 or later immediately, which includes a fix for the authorization bypass in attachment access.
Other vulnerabilities in TheHive
Original NVD description (English source)
TheHive through 4.1.24 contains a broken object-level authorization vulnerability in the attachment download endpoints that allows any authenticated user to access attachments belonging to other organizations by supplying a content-hash identifier. Attackers can exploit the missing organization-scoped authorization check in AttachmentSrv.visible, which is implemented as a pass-through traversal, to download arbitrary attachments.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

