Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2026-5779

Severity CVSS v4.0:
CRITICAL
Type:
CWE-284 Improper Access Control
Publication date:
28/04/2026
Last modified:
28/04/2026

Description

An insecure direct object reference (IDOR) vulnerability in MphRx's Minerva V3.6.0, specifically in the '/minerva/user/updateUserProfile' endpoint. This allows an authenticated user to modify the information of other registered users. Successful exploitation of this vulnerability allows an authenticated user to modify other users' information, such as their email address, and request a new password via the '/webconnect/#/forgotPassword' endpoint. This could lead to complete account takeover.

Impact

Vector 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:H CVSS v4.0 Severity and Metrics:

Base Score: 9.40 CRITICAL
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:H/SI:H/SA:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): Low
User Interaction (UI): None
Confidentiality (VC): High
Integrity (VI): High
Availability (VA): Low
Confidentiality (SC): High
Integrity (SI): High
Availability (SA): High

Base Score 4.0
9.40
Severity 4.0
CRITICAL

References to Advisories, Solutions, and Tools