Recorded 27 Oct 2026 at 07:43 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.

CVEMicrosoft Security Response Center

A flaw in Node.js TLS hostname verification allows a certificate without a matching IP address SAN to authenticate a connection to an IPv4 address when the host is written with non-ASCII characters, such as fullwidth digits (`１２７.0.0.1`). `tls.checkServerIdentity()` did not recognize such hosts as…

What it said

CVE: CVE-2026-105483
Severity: Important
CVSS base score: 7.4
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Impact: Not stated
Exploitation detected: Not reported by MSRC
Publicly disclosed: No
Exploitability: Not assessed
Component: Mariner
Weakness: CWE-295: Improper Certificate Validation
Issued by: hackerone
Customer action: Required: apply the update
Affected products: azl3 nodejs 24.21.0-1 on Azure Linux 3.0
Updates that fix it: No KB listed
CISA KEV: Not listed in the collected catalog
EPSS: Not scored
Public exploit code: No Nuclei template listed
Published: 25 Oct 2026 01:01 UTC
Last revised: 26 Oct 2026 14:50 UTC
Revision note: Information published.

Recorded links

Source evidence when recorded

Microsoft security releases: Complete at observationRead 27 Oct 2026 at 07:42 UTC
CISA KEV: Complete at observationRead 27 Oct 2026 at 07:42 UTC
FIRST EPSS: Complete at observationRead 27 Oct 2026 at 07:42 UTC
Public exploit code: Complete at observationRead 27 Oct 2026 at 07:42 UTC

Coverage describes the sources at this observation. A complete read then does not establish their current position.

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