CVE-2026-13236 in AI Agents
Summary
by MITRE • 07/11/2026
Missing Authorization vulnerability in Drupal AI Agents allows Forceful Browsing. This issue affects AI Agents versions: from 0.0.0 to 1.1.4, from 1.2.0 to 1.2.5, from 1.3.0 to 1.3.1.
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Analysis
by VulDB Data Team • 07/11/2026
This vulnerability represents a critical missing authorization flaw in the Drupal AI Agents module that enables forceful browsing attacks through improper access control enforcement. The issue manifests when the module fails to adequately verify user permissions before granting access to sensitive AI agent functionalities, allowing unauthorized users to bypass normal authentication barriers and directly access restricted resources or features. Such vulnerabilities fall under the CWE-285 category of insufficient authorization controls, which specifically addresses scenarios where systems fail to properly enforce access restrictions for protected resources.
The technical implementation flaw occurs within the module's request handling logic where access control checks are either missing entirely or improperly implemented during the processing of AI agent operations. Attackers can exploit this weakness by directly accessing URLs or endpoints that should only be available to authenticated administrators or users with specific privileges. The vulnerability affects multiple version ranges including 0.0.0 through 1.1.4, 1.2.0 through 1.2.5, and 1.3.0 through 1.3.1, indicating a widespread issue that has persisted across several releases of the module.
The operational impact of this vulnerability extends beyond simple unauthorized access as it allows attackers to potentially manipulate AI agent configurations, access sensitive data processed by these agents, or even execute malicious commands if the AI agents have elevated privileges. This type of vulnerability aligns with ATT&CK technique T1078.004 which covers legitimate credentials, but in this case represents a failure in authorization rather than credential theft. The forceful browsing aspect means attackers can systematically enumerate and access protected resources without proper authentication, making the attack surface significantly larger than typical permission bypass issues.
Organizations using affected Drupal AI Agents modules should immediately implement mitigations including updating to patched versions where available, implementing additional access controls through custom code or configuration changes, and conducting thorough security reviews of all AI agent endpoints. Network-level protections such as web application firewalls can provide temporary mitigation while patches are deployed, though these measures may not completely prevent exploitation of the underlying authorization flaw. The vulnerability demonstrates the critical importance of proper access control implementation in AI-enabled systems where unauthorized access could lead to data breaches or system compromise.
Security teams should also consider implementing monitoring for unusual access patterns to AI agent resources and establish incident response procedures specifically addressing unauthorized access to AI systems. The vulnerability highlights the need for comprehensive security testing of AI components within content management systems, particularly when these modules handle sensitive operations or data processing tasks. Organizations should treat this as a high-priority issue requiring immediate remediation due to the potential for significant damage when attackers can directly access protected AI agent functionalities without proper authorization checks.