Advisories

OpenPanel MCP Authentication Token in Query Parameter Logged Plaintext

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severity
medium
date
Affecting
  • openpanel <= bad75bddc74d12d36cfb843f4531d3b830a8d994

CWE
  • CWE-532 Insertion of Sensitive Information into Log File
CVSS
4.8
CVSS V4 Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Credit
CaptBoykin
Description
OpenPanel through commit bad75bdd writes Model Context Protocol authentication tokens from URL query parameters to plaintext application logs without redaction. Attackers with access to application stdout or centralized logging systems can capture base64-encoded credentials to replay MCP requests and access project analytics.

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