Missing Authorization in Restaurant Reservation Access Controls

Missing Authorization vulnerability in Etoile Web Design Incorporated Five Star Restaurant Reservations allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Five Star Restaurant Reservations: from n/a through 2.7.14.

Casky was already ahead

This CVE exploits attack patterns that Casky's 261matched skills already investigate — long before this vulnerability was disclosed. Claude's reasoning model maps these techniques to MITRE ATT&CK, so practitioners who ran these skills have already seen the threat behaviour in their findings.

Analysis

CVE-2026-42670 represents a critical missing authorization vulnerability in Etoile Web Design Incorporated's Five Star Restaurant Reservations system (versions through 2.7.14). This CWE-862 flaw allows attackers to exploit incorrectly configured access control security levels, potentially enabling unauthorized users to view, modify, or delete reservation data they should not have access to. The vulnerability affects restaurant operators and their customers, as threat actors could manipulate bookings, access sensitive customer information, or disrupt business operations. Given the widespread use of reservation systems in the hospitality industry, this vulnerability poses significant risk to both data confidentiality and business continuity.

Casky's 261 matched security skills leverage Claude AI's extended reasoning to detect the attack patterns associated with TA0004 (Privilege Escalation) and TA0006 (Credential Access) techniques behind this vulnerability. Practitioners using the platform would identify detection signals including: unauthorized API calls attempting to access reservation records without proper permissions, lateral movement patterns where users access records outside their assigned restaurant location or role, and privilege escalation attempts where standard users invoke administrative functions. The skills map specific observable behaviors—such as direct object reference manipulation, role-based access control bypasses, and anomalous cross-tenant data access—enabling security teams to spot exploitation attempts before damage occurs. By correlating these MITRE techniques with real-world attack patterns, Casky helps practitioners move beyond signature-based detection to understand the adversarial intent and access control weaknesses being exploited.

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Casky Risk Score

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EPSS Probability

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Shodan Exposure

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GreyNoise Signal

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Composite risk scoring from EPSS, CISA KEV, Shodan, and GreyNoise — 21 security APIs correlated into a single Casky Risk Score. Coming in Casky Pro. Join early access →

261 Casky skills cover this attack pattern

These skills use Claude AI's reasoning model to surface findings in the same attack categories as CVE-2026-42670.

analyzing-cloud-storage-access-patterns

cloud security · low

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analyzing-kubernetes-audit-logs

container security · low

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analyzing-malicious-url-with-urlscan

phishing defense · medium

Run

MITRE ATT&CK Techniques

TA0004 TA0006

Investigate the attack patterns behind CVE-2026-42670

Casky has 261 skills that investigate the attack patterns behind CVE-2026-42670. Run one and get CVSS-scored findings in 3 minutes.

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