EUVD-2026-94681
GHSA-gwmc-wvpv-26xr
Severity by source
CVSS:4.0/AV:A/AC:H/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Management-network reach gives AV:A, the timing-window race gives AC:H, authenticated management access gives PR:L, and only partial data leakage yields C:L with no I/A impact.
Primary rating from Vendor (brocade).
CVSS VectorVendor: brocade
Lifecycle Timeline
2DescriptionCVE.org
A race condition vulnerability exists in the request processing logic of the REST management interface on Brocade Fabric OS versions before 10.0.1. When handling concurrent incoming network management FCIP requests, a timing window exists between when a request populates the address variable and when the service constructs and returns the response context. As a result, the first request adopts the modified context, causing the service to return sensitive management details or configuration data belonging to the second context back to the original requester.
AnalysisAI
Race-condition information disclosure in Brocade Fabric OS before 10.0.1 allows a low-privilege authenticated attacker on an adjacent/management network to obtain limited management or configuration data belonging to another concurrent FCIP request. The issue requires precise timing to win the narrow window between address-variable population and response construction, making exploitation non-deterministic and limited to partial data exposure; no public exploit identified at time of analysis. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires network access to the REST management interface of Brocade Fabric OS (an adjacent/management-network position per AV:A, not Internet-reachable), low-privilege authenticated access (PR:L), and the ability to generate concurrent FCIP management requests so that two requests overlap within the race window. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a low-priority issue, and the signals are internally consistent rather than conflicting. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Vendor-released patch: upgrade to Brocade Fabric OS 10.0.1 or later, which is the first version outside the affected range per the description; vendor advisory: https://support.broadcom.com/external/content/SecurityAdvisories/0/39159. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same weakness CWE-362 – Race Condition
View allSame technique Information Disclosure
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External POC / Exploit Code
Leaving vuln.today