Issued at: 2026-11-11
Updated at: 2026-11-11
Advisory content derived from Red Hat RHSA-2026:97855, © Red Hat, Inc., used under CC BY 4.0, with modifications.
Synopsis
Important: nodejs:26 security update
Description
Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language.
Security Fix(es):
* nodejs: Node.js: Permission Model bypass via `process.report.writeReport()` path misvalidation (CVE-2026-48617)
* nodejs: Node.js HTTP Agent: Information disclosure due to premature response acceptance (CVE-2026-48931)
* nodejs: Node.js: Denial of Service via unlimited HTTP/2 ORIGIN frames (CVE-2026-48619)
* nodejs: Node.js: Silent authority rebinding due to embedded-nul hostnames in TLS handling (CVE-2026-48930)
* nodejs: Node.js: Unauthorized file metadata modification (CVE-2026-48935)
* nodejs: Node.js WebCrypto: Denial of Service via large input to subtle.encrypt() (CVE-2026-48933)
* nodejs: Node.js: Certification validation bypass in TLS host verification (CVE-2026-48934)
* Node.js: Node.js: Trust-policy bypass due to hostname matching inconsistency (CVE-2026-48928)
* nodejs: Node.js: Information disclosure of proxy credentials via proxy tunnel error handling (CVE-2026-48615)
* nodejs: Node.js: Local server can be started without network permission via Permission API flaw (CVE-2026-48936)
* nodejs: Node.js: Authentication bypass due to TLS hostname handling and unicode dot separator mismatch (CVE-2026-48618)
* undici: undici: Information disclosure and Denial of Service via malformed Cache-Control directives (CVE-2026-13697)
* nodejs: Node.js: Unauthorized filesystem access due to Permission Model enforcement flaw (CVE-2026-58043)
* nodejs: HTTPS Agent TLS session reuse skips hostname verification (CVE-2026-58040)
* nodejs: Node.js: Permission Model flaw allows trace logs to bypass filesystem write restrictions (CVE-2026-56847)
* nodejs: Node.js: mTLS client identities can be reused due to HTTPS Agent connection flaw (CVE-2026-56850)
* nodejs: Information disclosure due to improper permission enforcement (CVE-2026-58039)
* nodejs: Node.js: Request smuggling via HTTP client header truncation (CVE-2026-58044)
* nodejs: Node.js: Denial of Service via DNS responses with excessive A records (CVE-2026-58042)
* nodejs: Node.js: Remote memory exhaustion via HTTP/2 retained header blocks (CVE-2026-56846)
* nodejs: Node.js: Denial of Service vulnerability (CVE-2026-58045)
* nodejs: Node.js node:sqlite: Unintended data modification due to stale statement iterator (CVE-2026-58041)
* nodejs: Node.js: Heap-use-after-free in HTTP/2 handling can lead to denial of service (CVE-2026-56848)
* undici: undici: Authentication bypass via cross-origin cache poisoning due to missing origin isolation (CVE-2026-85152)
* undici: undici: TLS certificate validation bypass in BalancedPool via dropped connect options (CVE-2026-84961)
* undici: undici: Denial of Service via unrequested WebSocket subprotocol (CVE-2026-19534)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.