CVE-2026-70445 in Sauce OnDemand Plugin
Summary
by MITRE • 08/05/2026
Missing permission checks in Jenkins Sauce OnDemand Plugin 2.2.0 and earlier allow attackers with Overall/Read permission to enumerate credentials IDs of credentials stored in Jenkins.
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Analysis
by VulDB Data Team • 08/05/2026
The vulnerability in Jenkins Sauce OnDemand Plugin version 2.2.0 and earlier represents a critical authorization flaw that undermines the security posture of continuous integration environments relying on this plugin. This issue stems from insufficient permission validation within the plugin's credential enumeration mechanisms, creating an avenue for unauthorized information disclosure. The flaw specifically affects systems where attackers possess only Overall/Read permission level, which is typically considered a baseline access level for viewing Jenkins configuration and build results. However, this vulnerability demonstrates how seemingly limited permissions can be exploited to gain additional intelligence about the system's credential management infrastructure.
The technical implementation of this vulnerability involves the plugin's failure to properly validate user permissions before exposing credential identification information through its enumeration functions. When an authenticated user with Overall/Read access makes specific API calls or interacts with the plugin's web interface, the system inadvertently reveals the IDs of credentials stored within Jenkins' credential store. This occurs because the plugin does not perform adequate authorization checks on the credential retrieval endpoints, allowing any user with read access to enumerate available credential identifiers without proper authentication verification.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with valuable reconnaissance data that can be leveraged for subsequent attacks. By obtaining credential IDs, malicious actors can focus their efforts on targeting specific credentials rather than conducting broad brute force attempts. This enumeration capability enables more sophisticated attack patterns including credential harvesting, privilege escalation attempts, and targeted exploitation of credential-specific vulnerabilities. The information gained through this enumeration can significantly reduce the time and effort required for attackers to compromise additional system components that rely on these credentials.
From a cybersecurity framework perspective, this vulnerability aligns with CWE-639: Authorization Bypass Through User-Controlled Key, which describes cases where applications fail to properly validate user permissions when processing user-supplied keys or identifiers. The issue also maps to ATT&CK technique T1552.001: Unsecured Credentials, as it facilitates the extraction of credential information through unauthorized access paths. Additionally, this vulnerability demonstrates characteristics of privilege escalation through information gathering, which can be categorized under ATT&CK technique T1078.004: Valid Accounts - Default Accounts, where attackers use legitimate access to gather intelligence for further compromise.
Organizations should implement immediate mitigations including updating to Jenkins Sauce OnDemand Plugin version 2.2.1 or later, which contains the necessary permission validation fixes. Administrators should also review and tighten overall system permissions, ensuring that users with Overall/Read access cannot perform credential enumeration activities. Network segmentation and additional monitoring of credential-related API calls can help detect suspicious enumeration attempts. Regular security audits should verify that all plugins properly implement authorization checks, particularly those handling sensitive information like credentials. The fix implemented in the updated version addresses the core issue by enforcing proper permission validation before credential identifiers are exposed to authenticated users.
This vulnerability highlights the importance of comprehensive security testing for plugin integrations within Jenkins environments, as third-party plugins often introduce unexpected attack vectors. Organizations should establish protocols for regularly reviewing plugin security updates and conducting vulnerability assessments of their integrated tools. The incident underscores that even plugins with limited functionality can introduce significant security risks when proper authorization controls are not implemented, emphasizing the need for defense-in-depth approaches to Jenkins security management.