CVE-2026-108716

Published: Ott 11, 2026 Last Modified: Ott 11, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 6,0
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: passive
Confidentiality: N/A
Integrity: N/A
Availability: N/A
MEDIUM 5,3
Source: [email protected]
Attack Vector: network
Attack Complexity: high
Privileges Required: none
User Interaction: required
Scope: unchanged
Confidentiality: high
Integrity: none
Availability: none

Description

AI Translation Available

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.

319

Cleartext Transmission of Sensitive Information

Draft
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Integrity Confidentiality
Potential Impacts:
Read Application Data Modify Files Or Directories Other
Applicable Platforms
Technologies: Not Technology-Specific, Cloud Computing, Mobile, ICS/OT, System on Chip, Test/Debug Hardware
Likelihood of Exploit: High
View CWE Details
https://github.com/punkpeye/mcp-remote
https://github.com/punkpeye/mcp-remote
https://github.com/punkpeye/mcp-remote/blob/v0.14.3/src/lib…
https://github.com/punkpeye/mcp-remote/blob/v0.14.3/src/lib/client-credentials.…
https://github.com/punkpeye/mcp-remote/blob/v0.14.3/src/lib…
https://github.com/punkpeye/mcp-remote/blob/v0.14.3/src/lib/device-authorizatio…
https://hackmd.io/@haind03/punkpeye-mcp-remote-device-code-…
https://hackmd.io/@haind03/punkpeye-mcp-remote-device-code-cleartext-oauth-tran…
https://www.vulncheck.com/advisories/mcp-remote-0.8.0-throu…
https://www.vulncheck.com/advisories/mcp-remote-0.8.0-through-0.14.3-cleartext-…