Vulnerability Details CVE-2026-87670
An authorization logic vulnerability exists in the Brocade Fabric OS versions before 10.0.1 REST API gateway. The internal gate guarding restricted management endpoints relies exclusively on client-controlled HTTP headers. An authenticated user with any valid REST session can spoof these headers to gain unauthorized access to internal management endpoints. This allows low-privilege users to view sensitive chassis metadata, hardware memory patrolling state, and firmware integrity audit logs.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 2.9%
CVSS Severity
CVSS v3 Score 4.3
Products affected by CVE-2026-87670
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cpe:2.3:o:broadcom:fabric_operating_system:-
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cpe:2.3:o:broadcom:fabric_operating_system:10.0.0
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cpe:2.3:o:broadcom:fabric_operating_system:10.0.0a1
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cpe:2.3:o:broadcom:fabric_operating_system:2.1.2
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cpe:2.3:o:broadcom:fabric_operating_system:2.2
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cpe:2.3:o:broadcom:fabric_operating_system:3.1
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cpe:2.3:o:broadcom:fabric_operating_system:5.0.5
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cpe:2.3:o:broadcom:fabric_operating_system:5.0.5b
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cpe:2.3:o:broadcom:fabric_operating_system:5.2.0
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cpe:2.3:o:broadcom:fabric_operating_system:5.2.0a
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cpe:2.3:o:broadcom:fabric_operating_system:7.3.1d
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cpe:2.3:o:broadcom:fabric_operating_system:7.4.0
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cpe:2.3:o:broadcom:fabric_operating_system:7.4.1
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cpe:2.3:o:broadcom:fabric_operating_system:7.4.1a
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cpe:2.3:o:broadcom:fabric_operating_system:7.4.1b
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cpe:2.3:o:broadcom:fabric_operating_system:7.4.1c
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cpe:2.3:o:broadcom:fabric_operating_system:7.4.1d
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cpe:2.3:o:broadcom:fabric_operating_system:7.4.1e
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cpe:2.3:o:broadcom:fabric_operating_system:7.4.2
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cpe:2.3:o:broadcom:fabric_operating_system:7.4.2a
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cpe:2.3:o:broadcom:fabric_operating_system:7.4.2b
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cpe:2.3:o:broadcom:fabric_operating_system:7.4.2c
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cpe:2.3:o:broadcom:fabric_operating_system:7.4.2d
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cpe:2.3:o:broadcom:fabric_operating_system:7.4.2e
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cpe:2.3:o:broadcom:fabric_operating_system:7.4.2f
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cpe:2.3:o:broadcom:fabric_operating_system:7.4.2g
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cpe:2.3:o:broadcom:fabric_operating_system:7.4.2h
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cpe:2.3:o:broadcom:fabric_operating_system:7.4.2j
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cpe:2.3:o:broadcom:fabric_operating_system:8.0.0
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cpe:2.3:o:broadcom:fabric_operating_system:8.0.1
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cpe:2.3:o:broadcom:fabric_operating_system:8.0.1a
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cpe:2.3:o:broadcom:fabric_operating_system:8.0.1b
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cpe:2.3:o:broadcom:fabric_operating_system:8.0.2
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cpe:2.3:o:broadcom:fabric_operating_system:8.0.2a
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cpe:2.3:o:broadcom:fabric_operating_system:8.0.2b
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cpe:2.3:o:broadcom:fabric_operating_system:8.0.2c
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cpe:2.3:o:broadcom:fabric_operating_system:8.0.2d
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cpe:2.3:o:broadcom:fabric_operating_system:8.0.2f
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cpe:2.3:o:broadcom:fabric_operating_system:8.1.0
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cpe:2.3:o:broadcom:fabric_operating_system:8.1.0a
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cpe:2.3:o:broadcom:fabric_operating_system:8.1.0b
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cpe:2.3:o:broadcom:fabric_operating_system:8.1.0c
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cpe:2.3:o:broadcom:fabric_operating_system:8.1.1
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cpe:2.3:o:broadcom:fabric_operating_system:8.1.1a
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cpe:2.3:o:broadcom:fabric_operating_system:8.1.2
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cpe:2.3:o:broadcom:fabric_operating_system:8.1.2a
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cpe:2.3:o:broadcom:fabric_operating_system:8.1.2b
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cpe:2.3:o:broadcom:fabric_operating_system:8.1.2c
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cpe:2.3:o:broadcom:fabric_operating_system:8.1.2d
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cpe:2.3:o:broadcom:fabric_operating_system:8.1.2e
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cpe:2.3:o:broadcom:fabric_operating_system:8.1.2f
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cpe:2.3:o:broadcom:fabric_operating_system:8.1.2h
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cpe:2.3:o:broadcom:fabric_operating_system:8.1.2j
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cpe:2.3:o:broadcom:fabric_operating_system:8.1.2k
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cpe:2.3:o:broadcom:fabric_operating_system:8.2.0
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cpe:2.3:o:broadcom:fabric_operating_system:8.2.0a
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cpe:2.3:o:broadcom:fabric_operating_system:8.2.1
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cpe:2.3:o:broadcom:fabric_operating_system:8.2.1a
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cpe:2.3:o:broadcom:fabric_operating_system:8.2.1b
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cpe:2.3:o:broadcom:fabric_operating_system:8.2.1c
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cpe:2.3:o:broadcom:fabric_operating_system:8.2.1d
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cpe:2.3:o:broadcom:fabric_operating_system:8.2.1e
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cpe:2.3:o:broadcom:fabric_operating_system:8.2.2
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cpe:2.3:o:broadcom:fabric_operating_system:8.2.2a
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cpe:2.3:o:broadcom:fabric_operating_system:8.2.2a1
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cpe:2.3:o:broadcom:fabric_operating_system:8.2.2b
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cpe:2.3:o:broadcom:fabric_operating_system:8.2.2c
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cpe:2.3:o:broadcom:fabric_operating_system:8.2.3
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cpe:2.3:o:broadcom:fabric_operating_system:8.2.3a
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cpe:2.3:o:broadcom:fabric_operating_system:8.2.3a1
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cpe:2.3:o:broadcom:fabric_operating_system:8.2.3b
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cpe:2.3:o:broadcom:fabric_operating_system:8.2.3c
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cpe:2.3:o:broadcom:fabric_operating_system:8.2.3d
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cpe:2.3:o:broadcom:fabric_operating_system:8.2.3e
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cpe:2.3:o:broadcom:fabric_operating_system:8.2.3e1
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cpe:2.3:o:broadcom:fabric_operating_system:8.2.3f
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cpe:2.3:o:broadcom:fabric_operating_system:9.0.0
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cpe:2.3:o:broadcom:fabric_operating_system:9.0.0a
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cpe:2.3:o:broadcom:fabric_operating_system:9.0.0b
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cpe:2.3:o:broadcom:fabric_operating_system:9.0.1
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cpe:2.3:o:broadcom:fabric_operating_system:9.0.1a
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cpe:2.3:o:broadcom:fabric_operating_system:9.0.1e
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cpe:2.3:o:broadcom:fabric_operating_system:9.1.0
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cpe:2.3:o:broadcom:fabric_operating_system:9.1.1
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cpe:2.3:o:broadcom:fabric_operating_system:9.1.1c
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cpe:2.3:o:broadcom:fabric_operating_system:9.1.1d
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cpe:2.3:o:broadcom:fabric_operating_system:9.1.1d1
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cpe:2.3:o:broadcom:fabric_operating_system:9.1.1d2
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cpe:2.3:o:broadcom:fabric_operating_system:9.1.1d6
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cpe:2.3:o:broadcom:fabric_operating_system:9.1.1d7
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cpe:2.3:o:broadcom:fabric_operating_system:9.2.0
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cpe:2.3:o:broadcom:fabric_operating_system:9.2.0a
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cpe:2.3:o:broadcom:fabric_operating_system:9.2.0b
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cpe:2.3:o:broadcom:fabric_operating_system:9.2.0c
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cpe:2.3:o:broadcom:fabric_operating_system:9.2.0c1
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cpe:2.3:o:broadcom:fabric_operating_system:9.2.1
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cpe:2.3:o:broadcom:fabric_operating_system:9.2.1a
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cpe:2.3:o:broadcom:fabric_operating_system:9.2.1a1
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cpe:2.3:o:broadcom:fabric_operating_system:9.2.1b
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cpe:2.3:o:broadcom:fabric_operating_system:9.2.1c
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cpe:2.3:o:broadcom:fabric_operating_system:9.2.1c2
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cpe:2.3:o:broadcom:fabric_operating_system:9.2.1c3
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cpe:2.3:o:broadcom:fabric_operating_system:9.2.2
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cpe:2.3:o:broadcom:fabric_operating_system:9.2.2a
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cpe:2.3:o:broadcom:fabric_operating_system:9.2.2b
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cpe:2.3:o:broadcom:fabric_operating_system:9.2.2c
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cpe:2.3:o:broadcom:fabric_operating_system:9.2.2d