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TI-2026-36195 Aliases CVE-2026-48936GHSA-hwhp-f859-r728

Improper access control in NodeJS node

Priority LOW 15CWE-284Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
Partial Red Hat: 1 fixed, 2 without a fix

Attack profile from CVSS 3.0 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-284.

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**.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00135 2nd percentileScored 2026-11-07
Fix Partial Red Hat: 5 advisoriesRed Hat: 1 fixed, 2 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
NodeJSnode26.3.0 – 26.3.0—No fix listedCNA
  • node VendorNodeJS Affected 26.3.0 – 26.3.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:nodejs:node.js:26.3.0:*:*:*:-:*:*:*26.3.0VulnerableNodeJS
  • cpe:2.3:a:nodejs:node.js:26.3.0:*:*:*:-:*:*:* Versions 26.3.0 Vulnerable ·NodeJS

Remediation

Red Hat 5 advisories

  • RHSA-2026:35272 Released 2026-07-03 · Red Hat rating Important
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images nodejs22-1:22.23.1-2.hum1@aarch64, nodejs22-1:22.23.1-2.hum1@src, nodejs22-1:22.23.1-2.hum1@x86_64 +14
  • RHSA-2026:34478 Released 2026-07-01 · Red Hat rating Important
    Red Hat Hardened Images RPMs Security Update
    • Red Hat Hardened Images nodejs24-1:24.18.0-0.2.hum1@aarch64, nodejs24-1:24.18.0-0.2.hum1@src, nodejs24-1:24.18.0-0.2.hum1@x86_64 +16
  • RHSA-2026:33866 Released 2026-06-30 · Red Hat rating Important
    Red Hat Hardened Images RPMs Security Update
    • Red Hat Hardened Images nodejs26-1:26.4.0-1.3.hum1@aarch64, nodejs26-1:26.4.0-1.3.hum1@src, nodejs26-1:26.4.0-1.3.hum1@x86_64 +16
Show 2 more Red Hat advisories
  • RHSA-2026:9455 Released 2026-04-21 · Red Hat rating Important
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images nodejs20-20.20.2-1.hum1@aarch64, nodejs20-20.20.2-1.hum1@src, nodejs20-20.20.2-1.hum1@x86_64 +14
  • RHSA-2026:7378 Released 2026-04-10 · Red Hat rating Important
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images nodejs25-25.9.0-1.1.hum1@aarch64, nodejs25-25.9.0-1.1.hum1@src, nodejs25-25.9.0-1.1.hum1@x86_64 +14

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 10AffectedNo fix yet
Red Hat Enterprise Linux 9AffectedNo fix yet
Red Hat Hardened ImagesFixed RHSA-2026:33866, RHSA-2026:34478, RHSA-2026:35272, RHSA-2026:7378, RHSA-2026:9455
Not affected: 4 products
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 9
  • Red Hat Hardened Images

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-48936
  2. 2026-10-03 Alias added: GHSA-hwhp-f859-r728
  3. 2026-10-16 Affected versions changed · Red Hat
  4. 2026-10-18 Affected versions changed · Red Hat
  5. 2026-10-20 Affected versions changed · Red Hat

References

  • TI-2026-79288 Out-of-bounds write in Google Brotli decoder KEVCVSS 4.0CRITICAL 9.2
  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2016-01993 The DES and Triple DES ciphers, as used in the TLS, SSH, and IPSec protocols and other… CVSS 3.1HIGH 7.5
  • TI-2024-03325 Command injection vulnerability in programing languages on Microsoft Windows operating system. CVSS 3.1CRITICAL 9.8
  • TI-2022-03472 X.509 Email Address Variable Length Buffer Overflow CVSS 3.1HIGH 7.5
  • TI-2022-03315 X.509 Email Address 4-byte Buffer Overflow CVSS 3.1HIGH 7.5
See all 186 →

Sources