SARA / Free Tools / KEV / CVE-2026-34910

CVE-2026-34910 on CISA KEV

A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS devices to execute a Command Injection.

CISA KEV — Actively Exploited

A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS

Vendor / Product
— / Ubiquiti / UniFi OS
Added to KEV
2026-06-23
BOD 22-01 due
Ransomware use
Unknown
CVSS / EPSS
10.0 CRITICAL · EPSS 81.84%

01What CISA says about this vulnerability

A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS devices to execute a Command Injection.

02Required action — verbatim from CISA

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

03Notes & references

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

No structured affected-product list available — see references below for vendor advisories.

06Detection

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection:

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