How severe is CVE-2026-48928?

CVE-2026-48928 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-48928 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-48928?

CVE-2026-48928 primarily affects Nodejs Node.js. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2026-48928?

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

Does CVE-2026-48928 have an EU (EUVD) identifier?

Yes. CVE-2026-48928 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39613.

When was CVE-2026-48928 published?

CVE-2026-48928 was published on 2026-06-26.

CVE-2026-48928

CVE-2026-48928 is a medium-severity vulnerability in Nodejs Node.js with a CVSS 3.x base score of 5.4. 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: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-39613
Weakness: CWE-284
Affected product: Nodejs Node.js
Published: 2026-06-26
Last modified: 2026-06-26

Description

A inconsistency in Node.js hostname matching can cause a trust-policy bypass in multi-context mTLS setups. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.

Frequently asked questions

What is CVE-2026-48928?: A inconsistency in Node.js hostname matching can cause a trust-policy bypass in multi-context mTLS setups. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.
How severe is CVE-2026-48928?: CVE-2026-48928 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-48928 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-48928?: CVE-2026-48928 primarily affects Nodejs Node.js. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2026-48928?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-48928 have an EU (EUVD) identifier?: Yes. CVE-2026-48928 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-39613.
When was CVE-2026-48928 published?: CVE-2026-48928 was published on 2026-06-26.

References

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

Affected products (3)

cpe:2.3:a:nodejs:node.js:22.22.3:*:*:*:-:*:*:*
cpe:2.3:a:nodejs:node.js:24.16.0:*:*:*:-:*:*:*
cpe:2.3:a:nodejs:node.js:26.3.0:*:*:*:-:*:*:*

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