Is CVE-2026-48937 in the CISA KEV catalog?

No. CVE-2026-48937 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-48937?

CVE-2026-48937 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2026-48937?

CVE-2026-48937 has an EPSS score of 0.45% (36th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-48937?

Upgrade nodejs on debian unstable to 24.17.0+dfsg+~cs24.13.2-1 or later.

CVE & CISA-KEV Catalog

CVE-2026-48937

MEDIUM

5.3

CVSS v3

NVD

Description

A flaw in Node.js HTTP/2 server API can cause servers to keep accepting data even after sending a `GOAWAY` frame. This vulnerability affects two supported release lines: **Node.js 22** and **Node.js 24**.

CWE-400Resource Exhaustion

How to fix

Remediation Available

nodejsDebian

Fixed in:24.17.0+dfsg+~cs24.13.2-1CVE-2026-48937

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Exploit Intelligence

0.45%probability of exploitation in 30 days

36thpercentile

Low risk: more likely to be exploited than 36% of all known CVEs.

References

Other references2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-06-22.