Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-108716— mcp-remote 0.8.0 through 0.14.3 Cleartext Credential Transmission via --device-code OAuth Grant

Quick assessment

Affected
punkpeye mcp-remote
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

mcp-remote 0.8.0 至 0.14.3 版本在 方法中存在明文传输漏洞。该漏洞会导致客户端密钥以明文方式发送，并在未强制要求使用 HTTPS 端点的情况下接收令牌。当发现设备授权和令牌端点为非回环（non-loopback）的 HTTP URL 时，网络中的中间攻击者可以截获客户端密钥以及已签发的访问令牌（access token）和刷新令牌（refresh token）。

CVSS 5.3 · Medium EPSS 0.20% · P9

Possible ATT&CK Techniques 1 AI

T1040 · Network Sniffing

Affected Version Matrix 1

VendorProduct Version RangeStatus
punkpeye mcp-remote 0.8.0≤ 0.14.3 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-108716

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
mcp-remote 0.8.0 through 0.14.3 Cleartext Credential Transmission via --device-code OAuth Grant
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文传输
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
punkpeye mcp-remote 0.8.0 ~ 0.14.3 -

II. Public POCs for CVE-2026-108716

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-108716

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-108716 (1)

Vendor Advisories for CVE-2026-108716 (1)

Security Blog Posts for CVE-2026-108716 (1)

IV. Related Vulnerabilities

Same weakness: CWE-319

V. Comments for CVE-2026-108716

No comments yet

Leave a comment