Windows apps · Application version · January 12, 2026

Node.js 25.3.0

Node.js 25.3.0, released January 12, 2026, fixes 7 CVEs in Node.js. None of them is reported as exploited. Patch Radar priority: Urgent. The latest Node.js is 26.12.1, which also fixes every one of these CVEs.

Urgent

Superseded. The latest Node.js is 26.12.1, which also fixes every CVE on this page. Install that instead.

CVEs closed

1 rated Critical

Exploited

None reported

Highest CVSS

10.0

Base score, 0 to 10

Highest EPSS

0.0396

90th percentile

Priority of the 7 CVEs

Patch now 0
                                Urgent 1
                                High 6
                                Routine 0

Applies to

Product	Version
Node.js	25.3.0

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
Urgent	CVE-2026-21636	Node.js: Improper Access Control	10.0	0.0087	None reported
High	CVE-2025-59465	Node.js 20 and 3 others: Uncontrolled Resource Consumption	7.5	0.0396	None reported
High	CVE-2025-55131	Node.js and 3 others: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')	7.5	0.0346	None reported
High	CVE-2025-55130	Node.js 20 and 3 others: Authentication Bypass by Alternate Name	9.1	0.0170	None reported
High	CVE-2026-21637	HackerOne: CVE-2026-21637 TLS PSK/ALPN Callback Exceptions Bypass Error Handlers	7.5	0.0112	N/A
High	CVE-2025-59466	Node.js 20 and 3 others: Uncaught Exception	7.5	0.0068	None reported
High	CVE-2025-55132	Node.js 20 and 3 others: Incorrect Default Permissions	7.5	0.0026	None reported

Other Node.js versions with security fixes

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