CVEvulnerability

CVE-2026-9831

6.3 MEDIUM Published 2026-05-29 Modified 2026-07-22 Official page ↗

Status: Awaiting Analysis
Published: 2026-05-29
Last modified: 2026-07-22
Assigner: 1c053176-eef3-4d6a-ae0b-24728c86587b
CVSS 3.1 (1c053176-eef3-4d6a-ae0b-24728c86587b): 6.3 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
Weaknesses: CWE-362, CWE-488

Description

A race condition in the shared Extreme Platform ONE IAM Gateway API-key authentication path could, under specific high-concurrency traffic conditions, intermittently allow requests authenticated with an Extreme Platform ONE /IAM-issued API key to receive response data for another tenant. The issue was observed through ExtremeCloud IQ/XIQ API endpoints and validated against both XIQ/XAPI and Extreme Platform ONE /Common Services API paths. XIQ-native tokens and standard OAuth/Bearer JWT authentication were not affected.

Weakness · CWE (2)

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization weakness
CWE-488 Exposure of Data Element to Wrong Session weakness

References

https://community.extremenetworks.com/t5/security-advisories-formerly/sa-2026-048-extremecloud-iq-cross-tenant-data-exposure-via/ba-p/121851 community.extremenetworks.com

CVE-2026-9831

Description

Related

Weakness · CWE (2)

References