mcp-remote 0.8.0 through 0.14.3 Cleartext Credential Transmission via --device-code OAuth Grant
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.
CVE-2026-108716
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-108716
mcp-remote
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://github.com/punkpeye/mcp-remote",
"vendor": "punkpeye",
"product": "mcp-remote",
"versions": [
{
"status": "affected",
"version": "0.8.0",
"versionType": "semver",
"lessThanOrEqual": "0.14.3"
}
],
"packageURL": "pkg:npm/mcp-remote",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-108716
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #20517 · Revision 1
- Added to Heist Feed
- Publisher date