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Home / Vulnerability Intelligence / CVE-2026-40525

CVE-2026-40525 - Vulnerability Analysis

CriticalCVSS: 9.1

Last Updated: April 17, 2026

OpenViking - Authentication Bypass

Published: April 17, 2026Updated: April 17, 2026Remote Exploitable

Overview

OpenViking prior to commit c7bb167 contains an authentication bypass caused by missing or empty api_key configuration in VikingBot OpenAPI HTTP routes, letting remote attackers invoke privileged bot-control functions without valid credentials.

Severity & Score

Severity: Critical
CVSS Score: 9.1
EPSS Score: 0.0%(Probability of exploitation in next 30 days)

Impact

Remote attackers can bypass authentication to control bot functions and access sensitive data, risking full system compromise.

Mitigation

Update to the version including commit c7bb167 or later.

Social Media Activity(2 posts)

TheHackerWire
TheHackerWire
@thehackerwire
Apr 17, 2026

šŸ”“ CVE-2026-40525 - Critical (9.1) OpenViking prior to commit c7bb167 contains an authentication bypass vulnerability in the VikingBot OpenAPI HTTP route surface where the authentication check fails open when the api_key configuration value is unset or empty. Remote attackers with... šŸ”— https://www.thehackerwire.com/vulnerability/CVE-2026-40525/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

View original post
TheHackerWire
TheHackerWire
@thehackerwire
Apr 17, 2026

šŸ”“ CVE-2026-40525 - Critical (9.1) OpenViking prior to commit c7bb167 contains an authentication bypass vulnerability in the VikingBot OpenAPI HTTP route surface where the authentication check fails open when the api_key configuration value is unset or empty. Remote attackers with... šŸ”— https://www.thehackerwire.com/vulnerability/CVE-2026-40525/ #CVE #vulnerability #infosec #cybersecurity #security #Tenda #patchstack

View original post

Details

CVE ID
CVE-2026-40525
Severity
Critical
CVSS Score
9.1
Type
broken_authentication
Status
new
EPSS
0.0%
Social Posts
2

CWE

  • CWE-636

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS Score

0.0%Probability of exploitation in the next 30 days