CVE-2026-22558

HIGHNVD 7.77.7—

7.7

An Authenticated NoSQL Injection vulnerability found in UniFi Network Application could allow a malicious actor with authenticated access to the network to escalate privileges.

CVSS v3: 7.7
EG Score: 7.7(medium)
EPSS: 4.5%
KEV: Not listed

Published

March 19, 2026

Last Modified

April 30, 2026

Advisory Details (1)

Auto-updated Apr 30, 2026

No patch confirmed yet.

generic

https://community.ui.com/releases/Security-Advisory-Bulletin-062-062/c29719c0-405e-4d4a-8f26-e343e99f931b

Data Freshness Timeline

(refreshed 18× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
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2026-05-21 22:43 UTCepss_batch

Frequently asked(5)

What is CVE-2026-22558?

CVE-2026-22558 is a high vulnerability published on March 19, 2026. An Authenticated NoSQL Injection vulnerability found in UniFi Network Application could allow a malicious actor with authenticated access to the network to escalate privileges.

When was CVE-2026-22558 disclosed?

CVE-2026-22558 was first published in the National Vulnerability Database on March 19, 2026, with the most recent update on April 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-22558 actively exploited?

CVE-2026-22558 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-22558?

CVE-2026-22558 has a CVSS v3 base score of 7.7 (NVD).

How do I remediate CVE-2026-22558?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-22558, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2026-22558

📅 Published

🔄 Last Modified

📋 Advisory Details (1)