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undici vulnerable to Denial of Service via orphaned RetryHandler response body

CVE-2026-18149 affects azl3 nodejs 24.18.1-1 on Azure Linux 3.0. CVSS base score 5.9 (Microsoft Security Response Center). EPSS 0.0036 (percentile 0.27482), scored 2026-10-03. Fixed version: 13.1.0-r0.

Published 2026-10-05 08:15:50.140068+00:00

CVE

CVE-2026-18149

Product

azl3 nodejs 24.18.1-1 on Azure Linux 3.0

CCR priority

23.7 /100 (P4)

CVSS

5.9 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U · Microsoft Security Response Center

EPSS

0.0036 · percentile 0.27471 · 2026-10-04

KEV

no

Affected products

• azl3 nodejs 24.18.1-1 on Azure Linux 3.0
• azl3 nodejs 24.20.0-1 on Azure Linux 3.0
• node-gyp · Fixed version: 13.1.0-r0

Provenance

• Microsoft MSRC Security Update Guide (CVRF) · Source record · observed 2026-10-04 07:08:49.022374+00:00 UTC
• OSV.dev · Source record · observed 2026-10-04 23:49:35.786600+00:00 UTC
• FIRST EPSS daily exploit-probability · Source record · observed 2026-10-05 08:16:32.814186+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-18149.html