nodejs — security advisory
A flaw in Node.js `crypto` causes the internal entropy caches used by `crypto.randomUUID()`, `crypto.randomUUIDv7()`, and `crypto.randomInt()` to be saved into user-land startup snapshots (`--build-snapshot`) and single executable applications built with `useSnapshot`. If any of these functions, or an API that relies on them such as `URL.createObjectURL()`, is called while the snapshot is built, every process started from that snapshot returns the same values until the cache is refilled: up to 127 UUIDs and about 1,000 `randomInt()` values. Identifiers expected to be unique can collide across processes, and values issued by one process can be predicted by observing another. This vulnerability affects Node.js **26.x**, **24.x**, and **22.x**.
- Products
- nodejs
- Affected versions
- Not specified
- Fixed versions
- 22.23.4-r0, 24.22.1-r0
- CVEs
- CVE-2026-106074
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 04:03 UTC · Revision 1
Source evidence
A flaw in Node.js `crypto` causes the internal entropy caches used by `crypto.randomUUID()`, `crypto.randomUUIDv7()`, and `crypto.randomInt()` to be saved into user-land startup snapshots (`--build-snapshot`) and single executable applications built with `useSnapshot`. If any of these functions, or an API that relies on them such as `URL.createObjectURL()`, is called while the snapshot is built, every process started from that snapshot returns the same values until the cache is refilled: up to 127 UUIDs and about 1,000 `randomInt()` values. Identifiers expected to be unique can collide across processes, and values issued by one process can be predicted by observing another. This vulnerability affects Node.js **26.x**, **24.x**, and **22.x**.
osv:ALPINE-CVE-2026-106074
nodejs
Fixed versions: 22.23.4-r0
nodejs
Fixed versions: 22.23.4-r0
nodejs
Fixed versions: 24.22.1-r0
nodejs
Fixed versions: 24.22.1-r0
Complete source record
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"url": "https://osv.dev/vulnerability/ALPINE-CVE-2026-106074",
"method": "structured",
"payload": {
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"title": "ALPINE-CVE-2026-106074",
"summary": "A flaw in Node.js `crypto` causes the internal entropy caches used by `crypto.randomUUID()`, `crypto.randomUUIDv7()`, and `crypto.randomInt()` to be saved into user-land startup snapshots (`--build-snapshot`) and single executable applications built with `useSnapshot`. If any of these functions, or an API that relies on them such as `URL.createObjectURL()`, is called while the snapshot is built, every process started from that snapshot returns the same values until the cache is refilled: up to 127 UUIDs and about 1,000 `randomInt()` values. Identifiers expected to be unique can collide across processes, and values issued by one process can be predicted by observing another. This vulnerability affects Node.js **26.x**, **24.x**, and **22.x**.",
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"modified": "2026-10-24T09:30:02.643742379Z",
"provider": "osv",
"upstream": [
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"references": [
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"security_relevant": true,
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"source_id": "core-osv",
"document_id": 428921,
"published_at": "2026-10-23T17:17:20.473+00:00"
}