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TI-2025-05792 Aliases CVE-2025-6391GHSA-cqgv-gr59-9qf6

JSON Web Token (JWT) Exposure in Log Files

Priority LOW 33CWE-532Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
Information disclosure
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-532.

Summary

Brocade ASCG before 3.3.0 logs JSON Web Tokens (JWT) in log files. An attacker with access to the log files can withdraw the unencrypted tokens with security implications, such as unauthorized access, session hijacking, and information disclosure.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00268 19th percentileScored 2026-11-07
Fix Fixed Brocade ASCG (Broadcom): 3.3.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
BroadcomBrocade ASCGbefore 3.3.03.3.0Patch availableCNA
  • Brocade ASCG VendorBroadcom Affected before 3.3.0 Fixed in 3.3.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:broadcom:brocade_active_support_connectivity_gateway:*:*:*:*:*:*:*:*up to 3.2.0VulnerableBroadcom
  • cpe:2.3:a:broadcom:brocade_active_support_connectivity_gateway:*:*:*:*:*:*:*:* Versions up to 3.2.0 Vulnerable ·Broadcom

Remediation

  • Fix · CNA Brocade ASCG (Broadcom) Fixed in 3.3.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-6391
  2. 2026-10-03 Alias added: GHSA-cqgv-gr59-9qf6

References

Advisory 1

  • TI-2026-69450 Missing authentication in Brocade ASCG management service CVSS 4.0HIGH 8.7
  • TI-2026-69448 Path traversal in Brocade ASCG HTTP service allows arbitrary file access CVSS 4.0HIGH 8.6
  • TI-2026-69447 Eval injection in Brocade Active Support Connectivity Gateway CVSS 4.0HIGH 8.6
  • TI-2026-69446 Missing authentication in Brocade ASCG data collector service CVSS 4.0HIGH 8.6
  • TI-2026-69444 Missing authentication in Brocade ASCG HTTPS service allows full takeover CVSS 4.0HIGH 8.7
  • TI-2026-69455 Hard-coded key in Brocade ASCG SupportLink API enables auth bypass CVSS 4.0HIGH 8.6
See all 17 →

Sources

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