CVE-2026-2336 — Weak webstax_auth Cookie Authentication Allows Privilege Escalation

CVE-2026-2336

Weak webstax_auth Cookie Authentication Allows Privilege Escalation PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
Microchip / IStaX	affected 0 before 2026.03

CWE

CWE-331

References

https://www.microchip.com/en-us/solutions/technologies/embedded-security/how-to-report-potential-product-security-vulnerabilities/istax-privilege-escalation-via-weak-cookie-authentication

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.