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P4
CVE-2026-35037: ech0 before 4.2.8 (exclusive); +1 more affected products
CVE-2026-35037. CVSS 3.1 base score 7.2 (HIGH, Vendor/CNA). EPSS 0.00718 (percentile 0.53312), scored 22-Oct-2026.
Affected technology
ech0 · before 4.2.8 (exclusive)
ech0
Ech0 · < 4.2.8
lin-snow
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · No user interaction required
What an attacker can do
An attacker can use this to reach internal network services, cloud metadata endpoints (169.254.169.254), and localhost-bound services, with partial response data exfiltrated via the HTML. Vendor/CNA’s CVSS 3.1 assessment (base score 7.2/10) rates confidentiality and integrity impact as low; availability impact as none.
- CWE
- CWE-918
- CCR priority
- 29.0 /100 (P4)
- CVSS 3.1
- 7.2 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N · Vendor/CNA
- EPSS
- 0.00718 · percentile 0.53379 · 2026-10-24
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-24 15:09:16.138216+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-24 15:07:27.951960+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-35037.html