RHEL 9 : nodejs:26 (RHSA-2026:97855)

critical Nessus Plugin ID 378742

Synopsis

The remote Red Hat host is missing one or more security updates for nodejs:26.

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:97855 advisory.

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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL nodejs:26 package based on the guidance in RHSA-2026:97855.

See Also

https://access.redhat.com/errata/RHSA-2026:97855

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2490521

https://bugzilla.redhat.com/show_bug.cgi?id=2491494

https://bugzilla.redhat.com/show_bug.cgi?id=2493325

https://bugzilla.redhat.com/show_bug.cgi?id=2493326

https://bugzilla.redhat.com/show_bug.cgi?id=2493329

https://bugzilla.redhat.com/show_bug.cgi?id=2493331

https://bugzilla.redhat.com/show_bug.cgi?id=2493332

https://bugzilla.redhat.com/show_bug.cgi?id=2493333

https://bugzilla.redhat.com/show_bug.cgi?id=2493335

https://bugzilla.redhat.com/show_bug.cgi?id=2493336

https://bugzilla.redhat.com/show_bug.cgi?id=2493337

https://bugzilla.redhat.com/show_bug.cgi?id=2508485

https://bugzilla.redhat.com/show_bug.cgi?id=2509171

https://bugzilla.redhat.com/show_bug.cgi?id=2509175

https://bugzilla.redhat.com/show_bug.cgi?id=2509178

https://bugzilla.redhat.com/show_bug.cgi?id=2509179

https://bugzilla.redhat.com/show_bug.cgi?id=2509653

https://bugzilla.redhat.com/show_bug.cgi?id=2510853

https://bugzilla.redhat.com/show_bug.cgi?id=2510854

https://bugzilla.redhat.com/show_bug.cgi?id=2510856

https://bugzilla.redhat.com/show_bug.cgi?id=2510857

https://bugzilla.redhat.com/show_bug.cgi?id=2510858

https://bugzilla.redhat.com/show_bug.cgi?id=2511089

https://bugzilla.redhat.com/show_bug.cgi?id=2528717

https://bugzilla.redhat.com/show_bug.cgi?id=2528735

https://bugzilla.redhat.com/show_bug.cgi?id=2528759

http://www.nessus.org/u?52479271

Plugin Details

Severity: Critical

ID: 378742

File Name: redhat-RHSA-2026-97855.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 11/11/2026

Updated: 11/11/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.9

Percentile: 96.92

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-48930

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:nodejs-devel, p-cpe:/a:redhat:enterprise_linux:nodejs-docs, p-cpe:/a:redhat:enterprise_linux:nodejs-full-i18n, p-cpe:/a:redhat:enterprise_linux:nodejs-libs, p-cpe:/a:redhat:enterprise_linux:nodejs-nodemon, p-cpe:/a:redhat:enterprise_linux:nodejs-packaging-bundler, p-cpe:/a:redhat:enterprise_linux:nodejs-packaging, p-cpe:/a:redhat:enterprise_linux:nodejs, p-cpe:/a:redhat:enterprise_linux:npm, p-cpe:/a:redhat:enterprise_linux:v8-14.6-devel

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/10/2026

Vulnerability Publication Date: 6/18/2026

Reference Information

CVE: CVE-2026-13697, CVE-2026-19534, CVE-2026-48615, CVE-2026-48617, CVE-2026-48618, CVE-2026-48619, CVE-2026-48928, CVE-2026-48930, CVE-2026-48931, CVE-2026-48933, CVE-2026-48934, CVE-2026-48935, CVE-2026-48936, CVE-2026-56846, CVE-2026-56847, CVE-2026-56848, CVE-2026-56850, CVE-2026-58039, CVE-2026-58040, CVE-2026-58041, CVE-2026-58042, CVE-2026-58043, CVE-2026-58044, CVE-2026-58045, CVE-2026-84961, CVE-2026-85152

CWE: 170, 209, 279, 284, 289, 295, 303, 322, 346, 367, 400, 444, 476, 524, 551, 617, 648, 73, 770, 825

RHSA: 2026:97855