HIGHVulnerability
Verified
Global

CISA KEV: Ubiquiti UniFi OS — Ubiquiti UniFi OS Improper Input Validation Vulnerability

·Source: CISA KEV

Updated:

Executive Summary

Ubiquiti UniFi OS contains an improper input validation vulnerability which could allow a malicious actor with access to the network to conduct command injection.

Analysis

Ubiquiti UniFi OS contains an improper input validation vulnerability which could allow a malicious actor with access to the network to conduct command injection. Added to CISA Known Exploited Vulnerabilities catalog on 2026-06-23. Remediation due: 2026-06-26.

Indicators of Compromise (1)

CVE (1)
CVE-2026-34910
Source Attribution

Originally published by CISA KEV on Jun 23, 2026. Verified by: CISA.

Related Threats

CRITICALVulnerability

NVD CRITICAL: CVE-2026-105215 — ZITADEL before 3.4.14 and 4.x before 4.16.2 contains an authentication bypass in...

ZITADEL before 3.4.14 and 4.x before 4.16.2 contains an authentication bypass in the hosted Login V1 UI because the 'external account not found' registration endpoint trusts client-supplied external identity fields without a completed IdP callback. Unauthenticated attackers can submit forged IDPConfigID and ExternalUserID values to pre-create an account bound to a victim's external IdP identity, w

CVE-2026-105215
NIST NVD
CRITICALVulnerability

NVD CRITICAL: CVE-2026-105209 — ZITADEL 3.x before 3.4.15 and 4.x before 4.17.1 contains an improper authorizati...

ZITADEL 3.x before 3.4.15 and 4.x before 4.17.1 contains an improper authorization vulnerability: when issuing passkey or passwordless enrollment codes, it checks only the organization in the x-zitadel-orgid header, not the target user's organization. Attackers with user-write permission in one organization can obtain an enrollment code for a user in another organization on the same instance and r

CVE-2026-105209
NIST NVD
CRITICALVulnerability

NVD CRITICAL: CVE-2026-105207 — ZITADEL 3.0.0 through 3.4.15 and 4.0.0 before 4.17.3 creates links between user ...

ZITADEL 3.0.0 through 3.4.15 and 4.0.0 before 4.17.3 creates links between user accounts and external identity providers without verifying a primary factor or the caller's permission, including on identify-only Login V2 sessions and via the User Service V2 AddIDPLink endpoint. An unauthenticated attacker knowing a victim's login name can bind their own external IdP identity to the victim's account

CVE-2026-105207
NIST NVD