CVE-2026-63118: ruby-sdk < 0.23.0

CVE-2026-63118. EPSS 0.00256 (percentile 0.16272), scored 22-Oct-2026.

Affected technology

ruby-sdk · < 0.23.0
modelcontextprotocol

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · Active user interaction

What an attacker can do

Vendor/CNA’s CVSS 4.0 assessment (base score 6.9/10) rates confidentiality impact as high; integrity and availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 24-Oct-2026 15:09 UTC

CWE: CWE-346, CWE-350
CCR priority: 0.1 /100 (P5)
EPSS: 0.00256 · percentile 0.16334 · 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-2026-63118.html