A privilege escalation vulnerability in Microchip IStaX allows an authenticated low-privileged user to recover a shared per-device cookie secret from their own webstax_auth session cookie and forge a new cookie with administrative privileges.This issue affects IStaX before 2026.03.
History

Wed, 12 Aug 2026 16:30:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:microchip:istax:*:*:*:*:*:linux:*:*
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}


Thu, 16 Apr 2026 19:00:00 +0000

Type Values Removed Values Added
First Time appeared Microchip
Microchip istax
Vendors & Products Microchip
Microchip istax

Thu, 16 Apr 2026 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Thu, 16 Apr 2026 17:30:00 +0000

Type Values Removed Values Added
Description A privilege escalation vulnerability in Microchip IStaX allows an authenticated low-privileged user to recover a shared per-device cookie secret from their own webstax_auth session cookie and forge a new cookie with administrative privileges.This issue affects IStaX before 2026.03.
Title Weak webstax_auth Cookie Authentication Allows Privilege Escalation
Weaknesses CWE-331
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Microchip

Published: 2026-04-16T17:02:06.352Z

Updated: 2026-04-16T17:34:39.672Z

Reserved: 2026-02-11T10:30:26.167Z

Link: CVE-2026-2336

cve-icon Vulnrichment

Updated: 2026-04-16T17:34:36.932Z

cve-icon NVD

Status : Analyzed

Published: 2026-04-16T18:16:44.927

Modified: 2026-08-12T16:19:46.283

Link: CVE-2026-2336

cve-icon Redhat

No data.