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
Remediation
Red Hat 5 advisories
- RHSA-2026:35272 Released 2026-07-03 · Red Hat rating ImportantRed 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 ImportantRed 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 ImportantRed 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 ImportantRed 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 ImportantRed 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 →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet |
| Red Hat Enterprise Linux 9 | Affected | No fix yet |
| Red Hat Hardened Images | Fixed | 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
- 2026-10-02 Threatist record created from CVE-2026-48936
- 2026-10-03 Alias added: GHSA-hwhp-f859-r728
- 2026-10-16 Affected versions changed · Red Hat
- 2026-10-18 Affected versions changed · Red Hat
- 2026-10-20 Affected versions changed · Red Hat
References
More NodeJS Node.js vulnerabilities
- 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
Sources
- CVE-2026-48936 · CVE Program
- CVE-2026-48936 · NVD
- FIRST EPSS
- GHSA-hwhp-f859-r728 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-48936 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences