CVE-2026-47369
CVE-2026-47369 is a critical-severity vulnerability with a CVSS 3.x base score of 9.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.
Key facts
- Severity: Critical (CVSS 3.x base score 9.9)
- EPSS exploit prediction: 0% (22nd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-36383
- Weakness: CWE-20
- Published:
- Last modified:
Description
A malicious actor with access to the network and low privileges could exploit an Improper Input Validation vulnerability found in certain devices running UniFi OS to escalate privileges within such UniFi OS devices or instances.
Frequently asked questions
- What is CVE-2026-47369?
- A malicious actor with access to the network and low privileges could exploit an Improper Input Validation vulnerability found in certain devices running UniFi OS to escalate privileges within such UniFi OS devices or instances.
- How severe is CVE-2026-47369?
- CVE-2026-47369 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-47369 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-47369?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2026-47369 have an EU (EUVD) identifier?
- Yes. CVE-2026-47369 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36383.
- When was CVE-2026-47369 published?
- CVE-2026-47369 was published on 2026-06-12 and last updated on 2026-06-17.
References
Other CWE-20 (Improper Input Validation) vulnerabilities
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- CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
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