CVE-2026-89057 Auth bypass in Idea Tab Pro (TB373FU)

High 7.0 Published Updated

Attackers with physical access can bypass authentication to gain unauthorized access to Lenovo tablets.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-89057?

CVE-2026-89057 is a high-severity authentication bypass vulnerability in Lenovo Idea Tab Pro (TB373FU), published on 15 Oct 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A potential authentication bypass vulnerability was reported in some Lenovo tablets that could allow a user with physical access to gain unauthorized device access.

Weakness: CWE-288

Which versions are affected by CVE-2026-89057?

How do I fix CVE-2026-89057?

No fix has been published for CVE-2026-89057 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-89057 being exploited?

There is no known exploitation of CVE-2026-89057 in the wild and no public exploit code.

Sources

Also known as GHSA-3q87-3m5x-r397.

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