CVE-2026-39571: Exposure of Sensitive System Information to an Unauthorized Control Sphere in Themefic Instantio
Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in Themefic Instantio instantio allows Retrieve Embedded Sensitive Data.This issue affects Instantio: from n/a through <= 3.3.30.
AI Analysis
Technical Summary
This vulnerability in Themefic Instantio allows an attacker without any privileges or user interaction to access sensitive system information embedded within the application. The issue affects versions up to 3.3.30. The CVSS 3.1 base score is 5.3, reflecting a medium severity with a network attack vector, low complexity, and impact limited to confidentiality loss without affecting integrity or availability. No official fix or patch has been documented in the provided data.
Potential Impact
An attacker can retrieve sensitive system information without authentication or user interaction, potentially exposing confidential data. However, the vulnerability does not impact system integrity or availability. There are no known active exploits in the wild as of the published date.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor for updates from Themefic and consider restricting access to the affected Instantio versions where possible.
CVE-2026-39571: Exposure of Sensitive System Information to an Unauthorized Control Sphere in Themefic Instantio
Description
Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in Themefic Instantio instantio allows Retrieve Embedded Sensitive Data.This issue affects Instantio: from n/a through <= 3.3.30.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Themefic Instantio allows an attacker without any privileges or user interaction to access sensitive system information embedded within the application. The issue affects versions up to 3.3.30. The CVSS 3.1 base score is 5.3, reflecting a medium severity with a network attack vector, low complexity, and impact limited to confidentiality loss without affecting integrity or availability. No official fix or patch has been documented in the provided data.
Potential Impact
An attacker can retrieve sensitive system information without authentication or user interaction, potentially exposing confidential data. However, the vulnerability does not impact system integrity or availability. There are no known active exploits in the wild as of the published date.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor for updates from Themefic and consider restricting access to the affected Instantio versions where possible.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-04-07T10:48:32.434Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69d616fb1cc7ad14da4afc43
Added to database: 4/8/2026, 8:51:07 AM
Last enriched: 4/30/2026, 2:32:26 AM
Last updated: 5/24/2026, 9:28:43 AM
Views: 48
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