Medium 6.5Published Jul 17, 2026

CVE-2026-63099TheHive 4.1.24 Broken Object Level Authorization via Attachment Download Endpoints

Updated under an hour ago (Oct 29, 2026, 7:10 AM ET)

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Every CVE for TheHive-Project TheHive

Exploited in the last 30 days

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.

CVSS: 6.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-639
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Jul 27, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

TheHive-Project TheHive thehive_project:thehive (from the name)	through 4.1.24	CNA record

References

References

https://github.com/geo-chen/oss/blob/main/TheHive.md#finding-2-cross-organisation-attachment-disclosure-via-unauthorized-datastore-endpoint-missing-object-level-authorization	technical-description, exploit
https://www.vulncheck.com/advisories/thehive-broken-object-level-authorization-via-attachment-download-endpoints	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.