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

Quick assessment

Affected
TheHive-Project TheHive
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

thehive-project TheHive是thehive-project组织的一款安全事件响应平台。 thehive-project TheHive 4.1.24及之前版本存在授权问题漏洞，该漏洞源于附件下载端点存在对象级授权缺陷，允许任何通过内容哈希标识符提供内容的认证用户访问其他组织的附件，攻击者可利用AttachmentSrv.visible中缺失的组织范围授权检查来下载任意附件。

CVSS 6.5 · Medium EPSS 0.35% · P28

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
TheHive-Project TheHive ≤ 4.1.24 affected
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I. Basic Information for CVE-2026-63099

Vulnerability Information
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Vulnerability Title
TheHive 4.1.24 Broken Object Level Authorization via Attachment Download Endpoints
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
thehive-project TheHive 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
thehive-project TheHive是thehive-project组织的一款安全事件响应平台。 thehive-project TheHive 4.1.24及之前版本存在授权问题漏洞，该漏洞源于附件下载端点存在对象级授权缺陷，允许任何通过内容哈希标识符提供内容的认证用户访问其他组织的附件，攻击者可利用AttachmentSrv.visible中缺失的组织范围授权检查来下载任意附件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TheHive-Project TheHive 0 ~ 4.1.24 -

II. Public POCs for CVE-2026-63099

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III. Intelligence Information for CVE-2026-63099

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Vendor Advisories for CVE-2026-63099 (1)

Proof of Concept for CVE-2026-63099 (1)

IV. Related Vulnerabilities

Same product: TheHive
Same vendor: TheHive-Project
Same weakness: CWE-639

V. Comments for CVE-2026-63099

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