OpenPanel through 2.3.0 MCP Authentication Token in Query Parameter Logged Plaintext
Priority MEDIUM 55CWE-532Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-532.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00167 5th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Openpanel-dev | openpanel | up to 2.3.0 | — | No fix listed | CNA |
- openpanel VendorOpenpanel-dev Affected up to 2.3.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-93982
- 2026-10-03 Alias added: GHSA-xvpp-2hfw-c93c
References
More Openpanel-dev vulnerabilities
- TI-2026-63244 OpenPanel js-runtime through 2.3.0 JavaScript Template Sandbox Escape RCE CVSS 4.0CRITICAL 9.4
- TI-2026-80976 Sandbox escape in OpenPanel webhook JavaScript templates allows code execution CVSS 4.0HIGH 8.7
- TI-2026-80973 SQL injection in OpenPanel ClickHouse query lets users read other tenants' data CVSS 4.0HIGH 8.6
- TI-2026-80981 Missing authentication in OpenPanel Bull Board worker dashboard CVSS 4.0MEDIUM 6.9
- TI-2026-80975 Missing authorization in OpenPanel exposes project chart annotations CVSS 4.0MEDIUM 6.9
- TI-2026-63243 OpenPanel API through 2.3.0 Authentication Bypass via Unverified Client Secret CVSS 4.0MEDIUM 6.9
Sources
- CVE-2026-93982 · CVE Program
- CVE-2026-93982 · NVD
- FIRST EPSS
- GHSA-xvpp-2hfw-c93c · GitHub Advisory Database · CC BY 4.0
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