Vuln Signal Radar
public-safe defensive signal
HIGHpublic-safe

CVE-2026-87683

NVD: Multiple stack-based buffer overflow vulnerabilities exist in the REST API management component of Brocade Fabric OS versions prior to 10.0.1. NVD: When processing API request payloads (such as device configuration attributes or port mapping requests) the REST API service fails to properly validate incoming array counts and string lengths against internal buffer capacities. NVD: An authenticated attacker with REST API access can transmit crafted, oversized request parameters to induce memory corruption on the execution stack.

CVSS
8.6
Severity
HIGH
EPSS
0.0048 (40)
KEV
-

Source-published summary

NVD: Multiple stack-based buffer overflow vulnerabilities exist in the REST API management component of Brocade Fabric OS versions prior to 10.0.1. NVD: When processing API request payloads (such as device configuration attributes or port mapping requests) the REST API service fails to properly validate incoming array counts and string lengths against internal buffer capacities. NVD: An authenticated attacker with REST API access can transmit crafted, oversized request parameters to induce memory corruption on the execution stack.

Possible impact

Source describes code execution review · memory safety review · authenticated boundary. Possible impact: An attacker may be able to run code or commands on affected systems.

Affected context

vendor/product: broadcom / fabric_operating_system

Remediation / advisory

Remediation reference present; patch status requires confirmation in the linked advisory.

Why it matters

Source describes code execution review · memory safety review · authenticated boundary. Possible impact: An attacker may be able to run code or commands on affected systems.; CVSS 8.6 (HIGH); EPSS percentile 40; not listed in KEV; Remediation reference present; patch status requires confirmation in the linked advisory; sources: NVD, Vendor Advisory.

What to verify

Confirm affected product/version, vendor advisory, patch or mitigation, and exposure.

Exposure hint

authenticated boundary

Impact tags

code execution reviewmemory safety reviewauthenticated boundary review

Urgency reasons

CVSS HIGHaffected product presentvendor advisory presentrecent updateremediation reference present

Source-derived note

Summary derived from NVD / Vendor Advisory description; unsafe procedural detail is not shown.

Redaction metadata

source summary used
True
fallback summary used
False
unsafe procedural detail present
false
raw source displayed
false
public summary redacted
true

Remediation handoff

Public-safe static handoff for human/Codex remediation planning. Scan, patch, external execution, and auto remediation are disabled.

Safety note

This radar shows source-published defensive context only. Exploit procedures, exploit strings, scanner commands, and auto-remediation are not provided.

Official references