CVE-2026-34908 | THREATINT

Description

A malicious actor with access to the network could exploit an Improper Access Control vulnerability found in UniFi OS devices to make unauthorized changes to the system.

PUBLISHED Reserved 2026-03-31 | Published 2026-05-22 | Updated 2026-05-23 | Assigner hackerone

CRITICAL: 10.0CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Problem types

CWE-284 Improper Access Control - Generic

Product status

Default status

unaffected

Any version before 5.0.8

affected

Default status

unaffected

Any version before 5.1.12

affected

Default status

unaffected

Any version before 5.1.12

affected

Default status

unaffected

Any version before 5.1.12

affected

Default status

unaffected

Any version before 5.1.12

affected

Default status

unaffected

Any version before 5.1.11

affected

Default status

unaffected

Any version before 5.1.12

affected

Default status

unaffected

Any version before 5.1.12

affected

Default status

unaffected

Any version before 5.1.12

affected

Default status

unaffected

Any version before 5.1.12

affected

Default status

unaffected

Any version before 5.1.12

affected

Default status

unaffected

Any version before 5.1.12

affected

Default status

unaffected

Any version before 5.1.12

affected

Default status

unaffected

Any version before 5.1.12

affected

Default status

unaffected

Any version before 5.1.12

affected

Default status

unaffected

Any version before 5.1.12

affected

Default status

unaffected

Any version before 5.1.12

affected

Default status

unaffected

Any version before 5.1.12

affected

Default status

unaffected

Any version before 5.1.12

affected

Default status

unaffected

Any version before 5.1.10

affected

Default status

unaffected

Any version before 5.1.10

affected

Default status

unaffected

Any version before 5.1.10

affected

Default status

unaffected

Any version before 5.1.10

affected

Default status

unaffected

Any version before 5.1.10

affected

Default status

unaffected

Any version before 5.1.12

affected

Default status

unaffected

Any version before 5.1.12

affected

Default status

unaffected

Any version before 5.1.12

affected

Default status

unaffected

Any version before 5.1.12

affected

Default status

unaffected

Any version before 5.1.12

affected

Default status

unaffected

Any version before 5.1.12

affected

Default status

unaffected

Any version before 5.1.12

affected

References

community.ui.com/...064/84811c09-4cf4-42ab-bd61-cc994445963b

cve.org (CVE-2026-34908)

nvd.nist.gov (CVE-2026-34908)

Download JSON