CVE-2026-93982

OpenPanel through 2.3.0 MCP Authentication Token in Query Parameter Logged Plaintext

Published Sep 19, 2026 CVSS 4.0 · 4.8 Medium EPSS < 1% KEV · Not listed
Description
OpenPanel through 2.3.0 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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
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. OpenPanel through 2.3.0 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.
Title OpenPanel MCP Authentication Token in Query Parameter Logged Plaintext OpenPanel through 2.3.0 MCP Authentication Token in Query Parameter Logged Plaintext
CPEs cpe:2.3:a:openpanel:openpanel:-:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title OpenPanel MCP Authentication Token in Query Parameter Logged Plaintext
First Time appeared Openpanel
Openpanel openpanel
Weaknesses CWE-532
CPEs cpe:2.3:a:openpanel:openpanel:-:*:*:*:*:*:*:*
Vendors & Products Openpanel
Openpanel openpanel
References
Metrics cvssV3_1

{'score': 3.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 4.8, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Oct 2, 2026, 2:00 PM
Reserved
Sep 19, 2026, 10:55 AM
Status
Deferred
Published
Sep 19, 2026, 12:16 PM
Modified
Oct 2, 2026, 3:17 PM