CVE-2026-32232 in zeptoclaw
Summary
by MITRE • 03/12/2026
ZeptoClaw is a personal AI assistant. Prior to 0.7.6, there is a Dangling Symlink Component Bypass, TOCTOU Between Validation and Use, and Hardlink Alias Bypass. This vulnerability is fixed in 0.7.6.
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Analysis
by VulDB Data Team • 03/20/2026
The vulnerability identified as CVE-2026-32232 affects ZeptoClaw, a personal AI assistant application, and represents a complex chain of security flaws that together create a significant attack surface. This issue impacts versions prior to 0.7.6 and stems from improper handling of file system operations within the application's component validation mechanisms. The vulnerability manifests through three distinct but interconnected weaknesses that collectively enable an attacker to bypass intended security controls and gain unauthorized access to system resources.
The primary technical flaw involves a dangling symlink component bypass that exploits the time-of-check to time-of-use vulnerability pattern, specifically categorized under CWE-367. This weakness occurs when the application performs validation checks on a symbolic link but subsequently accesses the target file through a different path or after the symlink has been modified by an attacker. The TOCTOU vulnerability creates a window where an attacker can manipulate the file system state between the validation phase and actual file usage, allowing them to redirect operations to unintended targets. Additionally, the hardlink alias bypass component amplifies this issue by leveraging the ability to create multiple references to the same file, enabling attackers to circumvent access controls through alternative file system paths.
The operational impact of this vulnerability extends beyond simple privilege escalation or unauthorized file access. Attackers can potentially manipulate the AI assistant's data processing workflows, access sensitive user information, or interfere with the application's core functionality. The vulnerability's severity is compounded by the fact that ZeptoClaw operates as a personal AI assistant, which typically has elevated access to user data, system resources, and potentially network communications. This creates opportunities for attackers to harvest personal information, disrupt service availability, or use the compromised assistant as a pivot point for further attacks within the user's environment.
Security mitigations for this vulnerability require a comprehensive approach addressing all three identified weaknesses. The primary fix involves implementing proper file system validation that accounts for symbolic link manipulation and eliminates the TOCTOU race condition through atomic operations or file locking mechanisms. The application should enforce strict path resolution and validate file access through multiple verification points rather than relying on single validation checks. Additionally, the implementation must prevent hardlink alias bypasses by implementing proper access control enforcement and ensuring that all file operations occur through canonicalized paths. Organizations should also consider implementing runtime monitoring and anomaly detection to identify potential exploitation attempts, while users should immediately upgrade to version 0.7.6 or later to remediate the vulnerability. The fix aligns with ATT&CK technique T1059.001 for command and scripting interpreter usage, as attackers may leverage these vulnerabilities to execute unauthorized commands or scripts through manipulated file system operations.