How severe is CVE-2026-48936?

CVE-2026-48936 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2026-48936 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-48936?

CVE-2026-48936 affects Nodejs Node.js. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-48936?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-48936 have an EU (EUVD) identifier?

Yes. CVE-2026-48936 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39611.

When was CVE-2026-48936 published?

CVE-2026-48936 was published on 2026-06-26.

CVE-2026-48936

CVE-2026-48936 is a low-severity vulnerability in Nodejs Node.js with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-39611
Weakness: CWE-284
Affected product: Nodejs Node.js
Published: 2026-06-26
Last modified: 2026-06-26

Description

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**.

Frequently asked questions

What is CVE-2026-48936?: 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**.
How severe is CVE-2026-48936?: CVE-2026-48936 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2026-48936 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-48936?: CVE-2026-48936 affects Nodejs Node.js. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-48936?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-48936 have an EU (EUVD) identifier?: Yes. CVE-2026-48936 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39611.
When was CVE-2026-48936 published?: CVE-2026-48936 was published on 2026-06-26.

References

https://nodejs.org/en/blog/vulnerability/june-2026-security-releases

Affected products (1)

cpe:2.3:a:nodejs:node.js:26.3.0:*:*:*:-:*:*:*

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