CVE-2026-63099 | TheHive through 4.1.24 contains a broken object-level author… | CVSS 6.5 MEDIUM

Description

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.

Metadata

CVE ID: CVE-2026-63099
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-07-15 15:45 UTC
Published: 2026-07-17 15:39 UTC
Last updated: 2026-07-17 16:34 UTC
Primary CWE: CWE-639
Authorization Bypass Through User-Controlled Key
Vendor / Product: TheHive-Project / TheHive
Sources: cve.org · NVD

Severity & Metrics

6.5 MEDIUM CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
TheHive-Project	TheHive	—	0 ≤ 4.1.24

Weakness (CWE)

CWE	Source	Description
CWE-639	cna	Authorization Bypass Through User-Controlled Key

CVSS scores (2)

Score	Severity	Version	Source	Vector
7.1	HIGH	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
6.5	MEDIUM	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

References (2)