Is CVE-2026-48931 in the CISA KEV catalog?

No. CVE-2026-48931 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-48931?

CVE-2026-48931 has a CVSS v3 base score of 3.7 (LOW).

What is the EPSS score for CVE-2026-48931?

CVE-2026-48931 has an EPSS score of 0.36% (28th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-48931?

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

CVE & CISA-KEV Catalog

CVE-2026-48931

LOW

3.7

CVSS v3

NVD

Description

A flaw in Node.js HTTP Agent can cause a client to accept as valid a response that is send before the client has sent the request. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.

CWE-367TOCTOU Race Condition

How to fix

Remediation Available

nodejsDebian

Fixed in:24.17.0+dfsg+~cs24.13.2-1CVE-2026-48931

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 ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N

Exploit Intelligence

0.36%probability of exploitation in 30 days

28thpercentile

Low risk: more likely to be exploited than 28% of all known CVEs.

References

Exploit1

github.com

Vendor Advisory1

nodejs.org

Third-Party Advisory1

jdstaerk.substack.com

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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 2026-06-30.