CVE-2026-6281 PUBLISHED

Assigner: lenovo
Reserved: 14.04.2026 Published: 13.05.2026 Updated: 13.05.2026

A potential vulnerability was reported in some Lenovo Personal Cloud Storage devices that could allow a remote authenticated user on the local network to execute arbitrary commands on the device.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS Score: 8.7

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS Score: 8.8

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	High
User Interaction	None	Availability Impact	High

CVSS 3.1

Product Status

Vendor	Lenovo
Product	Personal Cloud T2s
Versions	Default: unaffected affected from 0 to 5.5.6.t2s.3 (excl.)

Vendor	Lenovo
Product	Personal Cloud T2Pro
Versions	Default: unaffected affected from 0 to 5.4.8.t2pro.2 (excl.)

Vendor	Lenovo
Product	Personal Cloud X1s
Versions	Default: unaffected affected from 0 to 5.4.8.x1s.2 (excl.)

Vendor	Lenovo
Product	Home Storage Hub T20
Versions	Default: unaffected affected from 0 to 5.5.8.t20.1 (excl.)

Vendor	Lenovo
Product	Home Storage Hub X20
Versions	Default: unaffected affected from 0 to 5.4.4.x20.1 (excl.)

Vendor	Lenovo
Product	Personal Cloud T1
Versions	Default: unaffected affected from 0 to 5.4.0.t1.6 (incl.)

Vendor	Lenovo
Product	Personal Cloud A1
Versions	Default: unaffected affected from 0 to 5.4.2.a1.3 (incl.)

Vendor	Lenovo
Product	Personal Cloud A1s
Versions	Default: unaffected affected from 0 to 5.5.6.a1s (incl.)

Vendor	Lenovo
Product	Personal Cloud T2
Versions	Default: unaffected affected from 0 to 5.4.5.t2.2 (incl.)

Vendor	Lenovo
Product	Personal Cloud X1
Versions	Default: unaffected affected from 0 to 5.4.7.x1.1 (incl.)

Solutions

Update device firmware to the version indicated in the advisory: https://iknow.lenovo.com.cn/detail/440274

Credits

Lenovo thanks Wang Jincheng, Professor Yu Le from Nanjing University of Posts and Telecommunications and Professor Luo Xiapu from The Hong Kong Polytechnic University finder

References

Problem Types

CWE-78: Improper Neutralization of Special Elements used in an OS Command CWE