RHSA-2026:97855: Important: nodejs:26 security update
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
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redhat/nodejsto a version that resolves this vulnerability.Fixed in 26.8.2-1.module+el9.9.0+24929+16cef9a5 - Upgrade
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redhat/nodejs-nodemonto a version that resolves this vulnerability.Fixed in 3.1.14-1.module+el9.9.0+24923+ac50c00f - Upgrade
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redhat/nodejs-packagingto a version that resolves this vulnerability.Fixed in 2021.06-6.module+el9.9.0+24923+ac50c00f - Upgrade
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redhat/nodejs-docsto a version that resolves this vulnerability.Fixed in 26.8.2-1.module+el9.9.0+24929+16cef9a5 - Upgrade
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redhat/nodejs-packaging-bundlerto a version that resolves this vulnerability.Fixed in 2021.06-6.module+el9.9.0+24923+ac50c00f - Upgrade
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redhat/npmto a version that resolves this vulnerability.Fixed in 11.19.1-1.26.8.2.1.module+el9.9.0+24929+16cef9a5 - Upgrade
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redhat/nodejs-debuginfoto a version that resolves this vulnerability.Fixed in 26.8.2-1.module+el9.9.0+24929+16cef9a5 - Upgrade
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redhat/nodejs-debugsourceto a version that resolves this vulnerability.Fixed in 26.8.2-1.module+el9.9.0+24929+16cef9a5 - Upgrade
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redhat/nodejs-develto a version that resolves this vulnerability.Fixed in 26.8.2-1.module+el9.9.0+24929+16cef9a5 - Upgrade
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redhat/nodejs-full-i18nto a version that resolves this vulnerability.Fixed in 26.8.2-1.module+el9.9.0+24929+16cef9a5 - Upgrade
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redhat/nodejs-libsto a version that resolves this vulnerability.Fixed in 26.8.2-1.module+el9.9.0+24929+16cef9a5 - Upgrade
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redhat/nodejs-libs-debuginfoto a version that resolves this vulnerability.Fixed in 26.8.2-1.module+el9.9.0+24929+16cef9a5 - Upgrade
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redhat/v8to a version that resolves this vulnerability.Fixed in 14.6-devel-14.6.202.34-1.26.8.2.1.module+el9.9.0+24929+16cef9a5 - Upgrade
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redhat/nodejsto a version that resolves this vulnerability.Fixed in 26.8.2-1.module+el9.9.0+24929+16cef9a5.aa - Upgrade
Upgrade
redhat/nodejs-debuginfoto a version that resolves this vulnerability.Fixed in 26.8.2-1.module+el9.9.0+24929+16cef9a5.aa - Upgrade
Upgrade
redhat/nodejs-debugsourceto a version that resolves this vulnerability.Fixed in 26.8.2-1.module+el9.9.0+24929+16cef9a5.aa - Upgrade
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redhat/nodejs-develto a version that resolves this vulnerability.Fixed in 26.8.2-1.module+el9.9.0+24929+16cef9a5.aa - Upgrade
Upgrade
redhat/nodejs-full-i18nto a version that resolves this vulnerability.Fixed in 26.8.2-1.module+el9.9.0+24929+16cef9a5.aa - Upgrade
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redhat/nodejs-libsto a version that resolves this vulnerability.Fixed in 26.8.2-1.module+el9.9.0+24929+16cef9a5.aa - Upgrade
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redhat/nodejs-libs-debuginfoto a version that resolves this vulnerability.Fixed in 26.8.2-1.module+el9.9.0+24929+16cef9a5.aa - Upgrade
Upgrade
redhat/v8to a version that resolves this vulnerability.Fixed in 14.6-devel-14.6.202.34-1.26.8.2.1.module+el9.9.0+24929+16cef9a5.aa
Event History
Frequently Asked Questions
Which installed packages are explicitly in scope?
The advisory lists redhat/nodejs, redhat/nodejs-debuginfo, redhat/nodejs-debugsource, redhat/nodejs-devel, redhat/nodejs-full-i18n, redhat/nodejs-libs, redhat/nodejs-libs-debuginfo, and redhat/v8.
Which application features are most relevant when prioritizing this update?
The listed fixes affect deployments using the Node.js Permission Model or Permission API, HTTP Agent, HTTP/2, TLS hostname or certificate validation, WebCrypto, and proxy tunnels. The advisory also identifies file-report and file-metadata operations as affected areas.
Can I determine from this data whether an installed package version is vulnerable or fixed?
No. The provided data names the affected package set but does not include affected version ranges, fixed package versions, or runtime detection indicators.
Are the listed CWE values mapped to specific CVEs?
No. SQL Injection and Use After Free are listed as CWE values, but the provided data does not associate either one with a particular CVE in this advisory.