Path traversal in Brocade ASCG HTTP service allows arbitrary file access
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
Brocade Active Support Connectivity Gateway versions before 3.5.0 contain a path traversal flaw in the HTTP service component, tracked as CWE-22. A path restriction can be bypassed, so an unauthenticated attacker on the local network who sends a manipulated API request to the service endpoint can read, write or delete arbitrary files.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
A path traversal vulnerability exists in the HTTP service component of Brocade ASCG versions before 3.5.0. An unauthenticated attacker on the local network could send a manipulated API request to the service endpoint bypassing path restrictions to arbitrary file read, file write, or file deletion operations.
Why it matters now
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
Remediation
Upgrade Brocade Active Support Connectivity Gateway to version 3.5.0 or later.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
- Fix · CNA Brocade Active Support Connectivity Gateway (Brocade) Fixed in 3.5.0
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Brocade Active Support Connectivity Gateway 3.5.0
12 records Highest priority Priority LOW 12 LOW
Other records, highest priority first
- TI-2026-69450 Missing authentication in Brocade ASCG management servicePriority LOW 39
- TI-2026-69447 Eval injection in Brocade Active Support Connectivity GatewayPriority LOW 39
- TI-2026-69446 Missing authentication in Brocade ASCG data collector servicePriority LOW 39
Timeline
- 2026-10-08 Threatist record created from CVE-2026-85487
- 2026-10-08 CISA SSVC decision points changed
- 2026-10-08 Priority changed: MEDIUM → LOW
- 2026-10-15 Alias added: GHSA-cjqx-wrpp-gvrc
- 2026-10-15 CVSS score added · NVD
References
More Brocade vulnerabilities
- TI-2025-01721 Code injection exposure in Fabric OS 9.1.0 through 9.1.1d6 KEVCVSS 4.0HIGH 8.6
- TI-2016-06760 Path traversal in Brocade Network Advisor versions released prior to and including 14.0.2 CVSS 3.0CRITICAL 9.8
- TI-2024-19729 hard-coded credentials in the documentation that appear as the appliance root password CVSS 3.1CRITICAL 9.8
- TI-2016-06762 Path traversal in Brocade Network Advisor versions released prior to and including 14.0.2 CVSS 3.0HIGH 7.5
- TI-2018-04739 OS command injection in Brocade Network Advisor CVSS 3.0CRITICAL 9.8
- TI-2016-06761 Path traversal in Brocade Network Advisor versions released prior to and including 14.0.2 CVSS 3.0HIGH 7.5
Sources
- CVE-2026-85487 · CVE Program
- CVE-2026-85487 · NVD
- FIRST EPSS
- GHSA-cjqx-wrpp-gvrc · GitHub Advisory Database · CC BY 4.0
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