VIR Vulnerability Intelligence Relay

CVE-2026-77545

critical
Assigned by CNA: ubiquiti
Published 2026-08-26 · Modified 2026-08-26
Discuss on Community Propose mitigation
CVSS v3
9.0
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
CVSS v4 NEW
—
not yet in upstream
VIR risk
9.0

Description

A malicious actor with access to the network, low privileges and under certain conditions could exploit an Active Debug Code vulnerability found in certain devices running UniFi OS to escalate privileges within such UniFi OS devices or instances.

Predictions

Exploit likelihood
93%
Patch ETA
—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

References

CWEs

CWE-489

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.