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TI-2026-01975 Aliases CVE-2026-2336GHSA-v47p-q5xc-j34w

Weak webstax_auth Cookie Authentication Allows Privilege Escalation

Priority LOW 39CWE-331Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
Attack requirements
Present
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00232 14th percentileScored 2026-11-07
Fix Fixed IStaX (Microchip): 2026.03

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MicrochipIStaXbefore 2026.032026.03Patch availableCNA
  • IStaX VendorMicrochip Affected before 2026.03 Fixed in 2026.03 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microchip:istax:*:*:*:*:*:linux:*:*before 2026.03VulnerableMicrochip
  • cpe:2.3:a:microchip:istax:*:*:*:*:*:linux:*:* Versions before 2026.03 Vulnerable ·Microchip

Remediation

  • Fix · CNA IStaX (Microchip) Fixed in 2026.03

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-2336
  2. 2026-10-03 Alias added: GHSA-v47p-q5xc-j34w

References

Advisory 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences