Known vulnerability record
CVE-2026-34910
Ubiquiti UniFi OS Improper Input Validation Vulnerability
Summary
Ubiquiti UniFi OS Improper Input Validation Vulnerability
Ubiquiti UniFi OS contains an improper input validation vulnerability which could allow a malicious actor with access to the network to conduct command injection.
Signals
Keep the signals separate
CVSS severitycriticalScore 10 · source hackerone
EPSS probability87.0%Probability of exploitation in the next 30 days; not severity
CISA KEVKnown exploitedAdded 2026-06-23
Ransomware useunknownPreserved as known / unknown, not a truthy default
Timeline
Dates and provenance
- CVE published
- 2026-05-22
- CVE modified
- 2026-06-24
- KEV date added
- 2026-06-23
- Dataset fetched
- 2026-08-21T03:55:10.675Z
Sources
Original records
- https://www.cve.org/CVERecord?id=CVE-2026-34910 ↗
- https://nvd.nist.gov/vuln/detail/CVE-2026-34910 ↗
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-34910 ↗
Version history: normalized permanent page created 2026-08-20. Machine-enriched fields remain source-attributed.