{"id":"CVE-2026-106074","state":"PUBLISHED","title":"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 sn","description":"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`.\n\nIf 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.\n\nThis vulnerability affects Node.js **26.x**, **24.x**, and **22.x**.","publishedAt":"2026-10-23T16:15:05.829Z","updatedAt":"2026-10-23T16:15:05.829Z","severity":{"score":4.8,"label":"Medium","version":"3.0","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","source":"hackerone"},"assigner":"hackerone","products":["nodejs node"],"affected":[{"vendor":"nodejs","product":"node","defaultStatus":"unaffected","versions":[{"version":"22.23.3","status":"affected","lessThanOrEqual":"22.23.3","versionType":"semver"},{"version":"24.22.0","status":"affected","lessThanOrEqual":"24.22.0","versionType":"semver"},{"version":"26.12.0","status":"affected","lessThanOrEqual":"26.12.0","versionType":"semver"}]}],"references":["https://nodejs.org/en/blog/vulnerability/october-2026-security-releases"],"weaknesses":["CWE-330"],"ingestedAt":"2026-10-29T20:10:23.711Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/106xxx/CVE-2026-106074.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-106074","state":"PUBLISHED","datePublished":"2026-10-23T16:15:05.829Z","dateUpdated":"2026-10-23T16:15:05.829Z","assignerShortName":"hackerone","assignerOrgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateReserved":"2026-10-06T15:00:00.655Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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`.\n\nIf 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.\n\nThis vulnerability affects Node.js **26.x**, **24.x**, and **22.x**."}],"affected":[{"vendor":"nodejs","product":"node","defaultStatus":"unaffected","versions":[{"version":"22.23.3","status":"affected","lessThanOrEqual":"22.23.3","versionType":"semver"},{"version":"24.22.0","status":"affected","lessThanOrEqual":"24.22.0","versionType":"semver"},{"version":"26.12.0","status":"affected","lessThanOrEqual":"26.12.0","versionType":"semver"}]}],"references":[{"url":"https://nodejs.org/en/blog/vulnerability/october-2026-security-releases"}],"metrics":[{"cvssV3_0":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","baseScore":4.8,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-330","type":"CWE","lang":"en","description":"CWE-330 Use of Insufficiently Random Values"}]}],"providerMetadata":{"shortName":"hackerone","orgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateUpdated":"2026-10-23T16:15:05.829Z"}}}}}