CVE-2026-51996

critical

Description

An issue in geelen mcp-remote 0.1.16 through 0.1.38 allows a remote attacker to execute arbitrary code via the src/lib/utils.ts and the getServerUrlHash function

References

https://github.com/playb0t/mcp-remote-oauth-security/blob/v1.0.1/advisories/F-04-md5-token-isolation.md

https://github.com/geelen/mcp-remote/security/advisories

https://github.com/geelen/mcp-remote

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-86019

Details

Source: Mitre, NVD

Published: 2026-09-24

Updated: 2026-09-29

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H