CVE-2026-63099

MEDIUM

TheHive 4.1.24 Broken Object Level Authorization via Attachment Download Endpoints

Title source: cna

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.

References (2)

Core 2

Core References

Exploit technical-description exploit

Researcher Disclosure

https://github.com/geo-chen/oss/blob/main/TheHive.md#finding-2-cross-organisation-attachment-disclosure-via-unauthorized-datastore-endpoint-missing-object-level-authorization

View Exploit ZIP pw:eip

Third Party Advisory third-party-advisory

https://www.vulncheck.com/advisories/thehive-broken-object-level-authorization-via-attachment-download-endpoints

Scores

CVSS v3 6.5

EPSS 0.0021

EPSS Percentile 11.2%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-639

Status published

Products (1)

TheHive-Project/TheHive < 4.1.24

Published Jul 17, 2026

Tracked Since Jul 17, 2026