HIGHCVE-2026-2336Published Modified CNA Microchip
CVE-2026-2336: Weak webstax_auth Cookie Authentication Allows Privilege Escalation
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.
Metrics
- CVSS v4.0
- 8.7
- Severity
- HIGH
- Fixed in
- 2026.03
- Affected Products
- 1
Fix available
2026.03
Affected packages
- Microchip / IStaX< 2026.03 (from 0)
CVSS 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:HReferences