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TI-2026-45049 Aliases CVE-2026-63099GHSA-6392-9v2x-r546

TheHive 4.1.24 Broken Object Level Authorization via Attachment Download Endpoints

Priority MEDIUM 64CWE-639Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00354 29th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
TheHive-ProjectTheHiveup to 4.1.24—No fix listedCNA
  • TheHive VendorTheHive-Project Affected up to 4.1.24 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-63099
  2. 2026-10-03 Alias added: GHSA-6392-9v2x-r546

References

Exploit 1

  • TI-2026-45048 TheHive 4.1.24 Unauthenticated Information Disclosure via /api/status Endpoint CVSS 4.0MEDIUM 6.9
  • TI-2019-05392 TheHive Project UnshortenLink analyzer before 1.1, included in Cortex-Analyzers before… CVSS 3.0HIGH 7.7
  • TI-2018-14333 An organization administrator can add a super administrator in THEHIVE PROJECT Cortex… CVSS 3.0HIGH 7.2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences