The Node.js Project
\nWednesday, October 21, 2026 Security Releases
\nUpdates are now available for the 26.x, 24.x, 22.x Node.js release lines for the\nfollowing issues.
\nThis security release includes the following dependency updates to address public vulnerabilities:
\nThis vulnerability affects Node.js 26.x, 24.x, and 22.x.
\nThank you, to hasanfleyah for reporting this vulnerability and thank you jasnell for fixing it.
\nThis vulnerability affects Node.js 26.x and 24.x.
\nThank you, to hasanfleyah for reporting this vulnerability and thank you jasnell for fixing it.
\nThis vulnerability affects Node.js 26.x, 24.x, and 22.x.
\nThank you, to anagnorisis2peripeteia for reporting this vulnerability and thank you mcollina for fixing it.
\nA flaw in Node.js can cause Node.js Brotli decoder out-of-bounds write permits remote code execution.
\nThis vulnerability affects Node.js 26.x, 24.x, and 22.x.
\nThank you, to mcollina for reporting this vulnerability and thank you aduh95 for fixing it.
\nThis vulnerability affects Node.js 26.x, 24.x, and 22.x.
\nThank you, to hasanfleyah for reporting this vulnerability and thank you jasnell for fixing it.
\nThis vulnerability affects Node.js 26.x, 24.x, and 22.x.
\nThank you, to br41ny for reporting this vulnerability and thank you mcollina for fixing it.
\nThis vulnerability affects Node.js 26.x, 24.x, and 22.x.
\nThank you, to gesposito for reporting this vulnerability and thank you panva for fixing it.
\nThis vulnerability affects Node.js 26.x.
\nThank you, to startimeash for reporting this vulnerability and thank you mcollina for fixing it.
\nThis vulnerability affects Node.js 26.x.
\nThank you, to malikhamzaiqbal for reporting this vulnerability and thank you jasnell for fixing it.
\nThis vulnerability affects Node.js 26.x, 24.x, and 22.x.
\nThank you, to 0xoroot for reporting this vulnerability and thank you RafaelGSS for fixing it.
\nThe Node.js project will release new versions of the 26.x, 24.x, 22.x\nreleases lines on or shortly after, Wednesday, October 21, 2026 in order to address\nsecurity vulnerabilities.
\nThe highest severity issue fixed in this release is HIGH.
\nIt's important to note that End-of-Life versions are always affected when a security release occurs.\nTo ensure your system's security, please use an up-to-date version as outlined in our\nRelease Schedule.
\nReleases will be available on, or shortly after, Wednesday, October 21, 2026.
\nThe current Node.js security policy can be found at https://nodejs.org/en/security/.\nPlease follow the process outlined in https://github.com/nodejs/node/blob/master/SECURITY.md if you wish to report a vulnerability in Node.js.
\nSubscribe to the low-volume announcement-only nodejs-sec mailing list at https://groups.google.com/forum/#!forum/nodejs-sec to stay up to date on security vulnerabilities and security-related releases of Node.js and the projects maintained in the nodejs GitHub organization.
","headings":[{"level":1,"text":"Wednesday, October 21, 2026 Security Releases","id":"wednesday-october-21-2026-security-releases"},{"level":2,"text":"Security releases available","id":"security-releases-available"},{"level":2,"text":"dns.resolve truncates names containing NUL char (CVE-2026-105482) - (high)","id":"dns-resolve-truncates-names-containing-nul-char-cve-2026-105482-"},{"level":2,"text":"TLS certificate hostname bypass when the IP is written fullwidth digits (CVE-2026-105483) - (high)","id":"tls-certificate-hostname-bypass-when-the-ip-is-written-fullwidth"},{"level":2,"text":"TLS certificate hostname bypass when the host loosely resolves to an IP address (CVE-2026-106069) - (high)","id":"tls-certificate-hostname-bypass-when-the-host-loosely-resolves-t"},{"level":2,"text":"Node.js Brotli decoder out-of-bounds write permits remote code execution (CVE-2026-111497) - (high)","id":"node-js-brotli-decoder-out-of-bounds-write-permits-remote-code-e"},{"level":2,"text":"Keep-alive socket process a response that was written before the request was sent (CVE-2026-105481) - (medium)","id":"keep-alive-socket-process-a-response-that-was-written-before-the"},{"level":2,"text":"Improper certificate validation for non-canonical IPv4 hostnames allows DNS SANs to authenticate IP endpoints (CVE-2026-106072) - (medium)","id":"improper-certificate-validation-for-non-canonical-ipv4-hostnames"},{"level":2,"text":"crypto.randomUUID() and randomInt() entropy caches are saved into user-land startup snapshots and SEAs, so every process repeats the same values (CVE-2026-106074) - (medium)","id":"crypto-randomuuid-and-randomint-entropy-caches-are-saved-into-us"},{"level":2,"text":"Node.js ZipFile returns attacker-controlled prefix bytes after failed ZIP header validation (CVE-2026-106070) - (low)","id":"node-js-zipfile-returns-attacker-controlled-prefix-bytes-after-f"},{"level":2,"text":"Permission Model filesystem over-grant via wildcard radix lookup (CVE-2026-106071) - (low)","id":"permission-model-filesystem-over-grant-via-wildcard-radix-lookup"},{"level":2,"text":"Permission Model bypass with fs.realpathSync (CVE-2026-106073) - (low)","id":"permission-model-bypass-with-fs-realpathsync-cve-2026-106073-low"},{"level":2,"text":"Downloads and release details","id":"downloads-and-release-details"},{"level":1,"text":"Summary","id":"summary"},{"level":2,"text":"Impact","id":"impact"},{"level":2,"text":"Release timing","id":"release-timing"},{"level":2,"text":"Contact and future updates","id":"contact-and-future-updates"}]}}