CVE-2026-108716

MediumCVSS 5.3/10Last modified Oct 16, 2026

Description

mcp-remote 0.8.0 through 0.14.3 contains a cleartext transmission vulnerability in authorizeWithDeviceCode that sends client secrets and receives tokens without enforcing HTTPS endpoints. When discovered device authorization and token endpoints are non-loopback http URLs, on-path network attackers can capture the client secret plus issued access and refresh tokens.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-319

Affected software

No affected versions have been published.

Timeline

Published
Oct 11, 2026
Last modified
Oct 16, 2026
NVD status
Deferred

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