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Advisory severityLow3.3Red Hat Linux

Low [CVE-2026-48936] Local server can be started without network permission via Permission API flaw

This low-severity Red Hat Linux advisory covers CVE-2026-48936 affecting Red Hat Hardened Images, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-48936 Source published Source updated

VulniPulse record published Record updated

CVE-2026-48936
Affected products & platforms
Red Hat LinuxRed Hat Enterprise Linux
Open source advisory

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Summary

A flaw in Node.js Permission API can cause a local server to be started (via a Unix domain socket), even without the `--allow-net` permission. This vulnerability affects one supported release line: **Node.js 26**.

A flaw was found in Node.js. This bypasses intended security restrictions, potentially leading to unintended local network exposure or integrity impact.

Red Hat severity: Low — CVSS 3.3 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N). Weakness: CWE-648.

Affected Red Hat products: Red Hat Hardened Images; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9. Red Hat fixing advisory: RHSA-2026:33866, RHSA-2026:34478, RHSA-2026:35272, RHSA-2026:7378, RHSA-2026:9455.

Affected products named by the advisory: Red Hat package: nodejs22; Red Hat package: nodejs24.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · high-confidence parse· fetched 13 days ago·verify at source

Fixed versions
  • nodejs26-main-26.4.0-1.3.hum1
  • nodejs24-main-24.18.0-0.2.hum1
  • nodejs22-main-22.23.1-2.hum1
  • nodejs25-main-25.9.0-1.1.hum1
  • nodejs20-main-20.20.2-1.hum1
  • RHSA-2026:33866
  • RHSA-2026:34478
  • RHSA-2026:35272
  • RHSA-2026:7378
  • RHSA-2026:9455

Official advisory · high-confidence parse· fetched 13 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Official advisory · high-confidence parse· fetched 13 days ago·verify at source

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