CVE-2026-59506
Received Received - Intake

Missing Authentication in Critical Function

Vulnerability report for CVE-2026-59506, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-08-13

Last updated on: 2026-08-13

Assigner: Israel National Cyber Directorate

Description

CWE-306: Missing Authentication for Critical Function

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-08-13
Last Modified
2026-08-13
Generated
2026-08-13
AI Q&A
2026-08-13
EPSS Evaluated
N/A
NVD
EUVD

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-306 The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Attack-Flow Graph

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Executive Summary

This vulnerability is classified as CWE-306, which means it involves missing authentication for a critical function. This allows attackers to access sensitive features or data without proper verification.

Detection Guidance

Since this is a missing authentication vulnerability (CWE-306), detection involves checking for critical functions exposed without proper access controls. Inspect network services for open ports, review application logs for unauthenticated access attempts, and test endpoints manually for unauthorized function execution.

Impact Analysis

An attacker could exploit this to gain unauthorized access to critical functions, potentially leading to data breaches, system compromise, or unauthorized actions. The CVSS score of 9.3 indicates a high severity risk.

Compliance Impact

This vulnerability likely violates compliance requirements for GDPR and HIPAA, as both mandate strong authentication for accessing sensitive data. Non-compliance could result in legal penalties or fines.

Mitigation Strategies

Implement strong authentication mechanisms for critical functions. Ensure all sensitive operations require user authentication. Review system access controls and apply the principle of least privilege.

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