UniFi OS Server

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

UniFi OS Server

Product reference — UniFi OS Server by Ubiquiti · sector: Network & Infrastructure. Cumulative disclosure record for this product across the archive.

Product totals

Disclosures & known-exploited
	All-time	YTD
CVEs	13	13
KEV entries	3	3

Rate & severity
KEV/100	Med CVSS	Med EPSS	C	H	M	L
23.1	8.8	.0068	6	6	1	0

KEV/100 = KEV entries ÷ CVEs × 100. Med CVSS / Med EPSS are medians over this product's disclosures. C/H/M/L = disclosures by CVSS severity band.

Monthly disclosures

Trend (by first-seen month, full archive): ▃█▇▁

Last 12 months (new CVEs by first-seen day)
Month	New CVEs
2026-05	2
2026-06	6
2026-07	5
2026-08	0

Notable CVEs

Ranked by the published formula: KEV → EPSS → CVSS → CVE ID.

Notable (ranked)
CVE	CVSS	EPSS %ile	Severity	KEV	First seen
CVE-2026-34910	10.0	99.7	CRITICAL	YES	2026-06-23
CVE-2026-34908	10.0	99.7	CRITICAL	YES	2026-06-23
CVE-2026-34909	10.0	99.2	CRITICAL	YES	2026-06-23
CVE-2026-54402	8.8	68.3	HIGH	—	2026-07-02
CVE-2026-33000	9.1	67.0	CRITICAL	—	2026-05-22
CVE-2026-47370	9.9	54.8	CRITICAL	—	2026-06-12
CVE-2026-34911	7.7	49.6	HIGH	—	2026-05-22
CVE-2026-54403	8.6	47.1	HIGH	—	2026-07-02
CVE-2026-47368	8.6	28.7	HIGH	—	2026-06-12
CVE-2026-47369	9.9	23.0	CRITICAL	—	2026-06-12
CVE-2026-54404	8.8	20.5	HIGH	—	2026-07-02
CVE-2026-54401	8.8	15.2	HIGH	—	2026-07-02
CVE-2026-55110	6.1	4.5	MEDIUM	—	2026-07-02

Recent CVEs

Most recently seen
CVE	CVSS	EPSS %ile	Severity	KEV	First seen
CVE-2026-55110	6.1	4.5	MEDIUM	—	2026-07-02
CVE-2026-54404	8.8	20.5	HIGH	—	2026-07-02
CVE-2026-54403	8.6	47.1	HIGH	—	2026-07-02
CVE-2026-54402	8.8	68.3	HIGH	—	2026-07-02
CVE-2026-54401	8.8	15.2	HIGH	—	2026-07-02
CVE-2026-34910	10.0	99.7	CRITICAL	YES	2026-06-23
CVE-2026-34909	10.0	99.2	CRITICAL	YES	2026-06-23
CVE-2026-34908	10.0	99.7	CRITICAL	YES	2026-06-23
CVE-2026-47370	9.9	54.8	CRITICAL	—	2026-06-12
CVE-2026-47369	9.9	23.0	CRITICAL	—	2026-06-12
CVE-2026-47368	8.6	28.7	HIGH	—	2026-06-12
CVE-2026-34911	7.7	49.6	HIGH	—	2026-05-22
CVE-2026-33000	9.1	67.0	CRITICAL	—	2026-05-22

KEV entries

CISA Known Exploited Vulnerabilities (newest addition first)
CVE	KEV added	CVSS	EPSS %ile	Severity
CVE-2026-34910	2026-06-23	10.0	99.7	CRITICAL
CVE-2026-34909	2026-06-23	10.0	99.2	CRITICAL
CVE-2026-34908	2026-06-23	10.0	99.7	CRITICAL

Vendor: Ubiquiti — all products and the full vendor record.

Methodology

A product is a (vendor, product) pair as named in the affected-product data. Rate statistics are arithmetic over published figures. Counts key to first-seen day. Raw counts are not comparable across products; this is a reference page assembled from the public record, not a ranking by our judgment.