Name: CVE-2026-39571: Exposure of Sensitive System Information to an Unauthorized Control Sphere
Creator: Rapid7
Published: 2026-04-08T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-39571, CWE-497, CVSS 5.3, EPSS 0.0033

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.

CVSS Details

CVSS 3.1 Base Score: 5.3
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Instantio Plugin	—	Update instantio plugin to version 3.3.31, or a newer patched version	May 6, 2026	Mar 25, 2026

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CVSS Details

Covered by Rapid7

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