CVE-2026-63099
TheHive 4.1.24 Broken Object Level Authorization via Attachment Download Endpoints
CVSS Score
6.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-639 |
| Vendor | thehive-project |
| Product | thehive |
| Published | Jul 17, 2026 |
| Last Updated | Jul 17, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
TheHive-Project / TheHive
0 ≤ 4.1.24
References
github.com: https://github.com/geo-chen/oss/blob/main/TheHive.md#finding-2-cross-organisation-attachment-disclosure-via-unauthorized-datastore-endpoint-missing-object-level-authorization vulncheck.com: https://www.vulncheck.com/advisories/thehive-broken-object-level-authorization-via-attachment-download-endpoints
Credits
George Chen