nextlevelbuilder GoClaw up to 3.13.3-beta.3 pkg/browser/tool.go handleNavigate args.targetUrl information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1$0-$5k1.05

Summaryinfo

A vulnerability has been found in nextlevelbuilder GoClaw up to 3.13.3-beta.3 and classified as problematic. This issue affects the function handleNavigate of the file pkg/browser/tool.go. Performing a manipulation of the argument args.targetUrl results in information disclosure. This vulnerability is cataloged as CVE-2026-15627. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in nextlevelbuilder GoClaw up to 3.13.3-beta.3. This affects the function handleNavigate of the file pkg/browser/tool.go. The manipulation of the argument args.targetUrl with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-15627. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The exploit is shared for download at github.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/13/2026 Advisory disclosed
07/13/2026 +0 days VulDB entry created
07/13/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 1207
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-15627 (🔒)
GCVE (CVE): GCVE-0-2026-15627
GCVE (VulDB): GCVE-100-378129
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/13/2026 19:29
Changes: 07/13/2026 19:29 (58)
Complete: 🔍
Submitter: Eric-e
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #855847: nextlevelbuilder GoClaw 3.13.3-beta.3 Information Disclosure (CWE-200) (by Eric-e)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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