LOW 3.7 Microsoft
CVE-2026-18540
undici vulnerable to downstream response splitting via retry interceptor
Microsoft Security Update 2026-Sep: undici vulnerable to downstream response splitting via retry interceptor
Affected Products
- azl3 nodejs 24.20.0-1 on Azure Linux 3.0
- azl3 nodejs 24.21.0-1 on Azure Linux 3.0
- azl3 nodejs 24.18.1-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-18540
- https://nvd.nist.gov/vuln/detail/CVE-2026-18540
This low severity vulnerability with a CVSS score of 3.7 was published on 2026-09-08 via Microsoft. Affected: azl3 nodejs 24.20.0-1 on Azure Linux 3.0, azl3 nodejs 24.21.0-1 on Azure Linux 3.0, azl3 nodejs 24.18.1-1 on Azure Linux 3.0.
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