nextlevelbuilder GoClaw RPC Handler Flaw Allows Remote Improper Authorization
The National Vulnerability Database has disclosed CVE-2026-7505, a high-severity flaw (CVSS 7.3) affecting nextlevelbuilder GoClaw and GoClaw Lite up to version 3.8.5. The vulnerability resides in an unspecified function within the RPC Handler component, leading to improper authorization. This isn’t just a theoretical issue; the exploit has been published, making it immediately actionable for attackers.
This flaw allows remote attackers to bypass authorization, potentially gaining unauthorized access or control. The impact, as per the CVSS vector, includes low confidentiality, integrity, and availability losses (C:L/I:L/A:L), but the ease of exploitation (AV:N/AC:L/PR:N/UI:N) is a critical concern. Any exposed GoClaw instance is a prime target for opportunistic threat actors looking for easy wins.
Defenders using nextlevelbuilder GoClaw or GoClaw Lite must prioritize immediate patching. The National Vulnerability Database advises upgrading to version 3.9.0 to mitigate this issue. Ignoring this patch is an open invitation for remote compromise, as attackers are already equipped with the necessary exploit code.
What This Means For You
- If your organization utilizes nextlevelbuilder GoClaw or GoClaw Lite, you need to check your version immediately. Any instance running 3.8.5 or older is vulnerable to remote improper authorization. Patching to version 3.9.0 is a non-negotiable priority to prevent attackers from exploiting this published vulnerability.
Related ATT&CK Techniques
🛡️ Detection Rules
3 rules · 6 SIEM formats3 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
CVE-2026-7505 - Nextlevelbuilder GoClaw RPC Improper Authorization
title: CVE-2026-7505 - Nextlevelbuilder GoClaw RPC Improper Authorization
id: scw-2026-04-30-ai-1
status: experimental
level: high
description: |
Detects attempts to exploit CVE-2026-7505 by identifying POST requests to '/rpc' endpoints with a 'method=handle_request' query parameter, which is indicative of the RPC Handler component in Nextlevelbuilder GoClaw and GoClaw Lite being targeted for improper authorization.
author: SCW Feed Engine (AI-generated)
date: 2026-04-30
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-7505/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: webserver
detection:
selection:
cs-uri|contains:
- '/rpc'
cs-method|exact:
- 'POST'
sc-status|exact:
- '200'
cs-uri-query|contains:
- 'method=handle_request'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-7505 | Auth Bypass | nextlevelbuilder GoClaw up to 3.8.5 |
| CVE-2026-7505 | Auth Bypass | nextlevelbuilder GoClaw Lite up to 3.8.5 |
| CVE-2026-7505 | Auth Bypass | RPC Handler component |
| CVE-2026-7505 | Auth Bypass | Upgrade to GoClaw/GoClaw Lite version 3.9.0 or later |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 01, 2026 at 02:16 UTC |
This content was AI-rewritten and enriched by Shimi's Cyber World based on the original source. All intellectual property rights remain with the original author.
Believe this infringes your rights? Submit a takedown request.
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