CVE-2026-10218 in GoClaw
Summary
by MITRE • 06/01/2026
A vulnerability has been found in nextlevelbuilder GoClaw up to 3.11.3. This affects the function auth of the file internal/http/evolution_handlers.go. Such manipulation leads to improper authorization. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The project tagged the reported issue as bug.
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Analysis
by VulDB Data Team • 06/01/2026
The vulnerability identified in nextlevelbuilder GoClaw version 3.11.3 represents a critical authorization flaw within the application's authentication mechanism. This security weakness resides in the auth function of the internal/http/evolution_handlers.go file, which serves as a core component of the application's web interface handling. The improper authorization vulnerability allows attackers to bypass legitimate authentication processes and gain unauthorized access to protected resources within the system. Given that the attack vector is remote, threat actors can exploit this flaw without requiring physical access to the target system, making it particularly dangerous in networked environments where the application may be exposed to external networks.
The technical nature of this vulnerability stems from inadequate input validation and authentication checks within the auth function, which likely fails to properly verify user credentials or session tokens before granting access privileges. This type of flaw commonly maps to CWE-285, which addresses improper authorization issues in software systems, and may also relate to CWE-306, concerning missing authentication mechanisms. The vulnerability's classification as a remote exploit indicates that the authentication bypass can be achieved through network-based attacks, potentially leveraging techniques such as session hijacking, credential stuffing, or manipulation of authentication tokens. The fact that this vulnerability has been publicly disclosed and is known to be exploitable significantly increases the risk to affected systems, as malicious actors can readily implement existing attack methods against vulnerable installations.
The operational impact of this vulnerability extends beyond simple unauthorized access, potentially enabling attackers to perform administrative functions, modify critical system configurations, or extract sensitive data from the GoClaw application. In the context of the ATT&CK framework, this vulnerability aligns with techniques such as T1078 for valid accounts and T1566 for social engineering, as unauthorized access may lead to further exploitation opportunities. Organizations running affected versions of GoClaw face significant risks including data breaches, system compromise, and potential regulatory violations, particularly if the application handles sensitive information or operates in regulated environments. The vulnerability's presence in a web-based authentication handler suggests that all users with access to the application's HTTP interface may be at risk, potentially affecting administrators, end users, and any system components that rely on the application's authentication services.
Mitigation strategies should focus on immediate remediation through the application's official update channel to obtain the patched version that addresses this authorization flaw. Organizations should implement network segmentation to limit access to the GoClaw application, deploy web application firewalls to monitor and filter authentication requests, and conduct thorough security assessments to identify any potential compromise indicators. Additionally, system administrators should review access logs for signs of unauthorized authentication attempts and implement multi-factor authentication where possible to add additional layers of protection. The vulnerability's public disclosure status necessitates proactive security measures including monitoring threat intelligence feeds and ensuring all related components are updated to prevent exploitation attempts that may already be occurring in the wild.