CVE-2026-34909 | THREATINT

Description

A malicious actor with access to the network could exploit a Path Traversal vulnerability found in UniFi OS devices to access files on the underlying system that could be manipulated to access an underlying account.

PUBLISHED Reserved 2026-03-31 | Published 2026-05-22 | Updated 2026-05-22 | 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-22 Path Traversal

Product status

Default status

unaffected

Any version before 5.0.8

affected

Default status

unaffected

Any version before 4.0.14

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-2026-34909)

nvd.nist.gov (CVE-2026-34909)

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