Hmbown CodeWhale up to 0.8.63 .codewhale/config.toml information disclosure

Summaryinfo

A vulnerability was found in Hmbown CodeWhale up to 0.8.63. It has been declared as problematic. The affected element is an unknown function of the file .codewhale/config.toml. The manipulation results in information disclosure. This vulnerability is reported as CVE-2026-75859. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Hmbown CodeWhale up to 0.8.63. Affected is some unknown processing of the file .codewhale/config.toml. The manipulation 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. CVE summarizes:

CodeWhale versions before 0.8.64 fail to validate file paths in the project config instructions field, allowing attackers to read arbitrary files on the victim's system. A malicious .codewhale/config.toml file in a cloned repository can specify paths outside the workspace that are read and injected into the AI system prompt for exfiltration.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-75859 since 08/18/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

Upgrading to version 0.8.64 eliminates this vulnerability.

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Productinfo

Vendor

• Hmbown

Name

• CodeWhale

Version

• 0.8.0
• 0.8.1
• 0.8.2
• 0.8.3
• 0.8.4
• 0.8.5
• 0.8.6
• 0.8.7
• 0.8.8
• 0.8.9
• 0.8.10
• 0.8.11
• 0.8.12
• 0.8.13
• 0.8.14
• 0.8.15
• 0.8.16
• 0.8.17
• 0.8.18
• 0.8.19
• 0.8.20
• 0.8.21
• 0.8.22
• 0.8.23
• 0.8.24
• 0.8.25
• 0.8.26
• 0.8.27
• 0.8.28
• 0.8.29
• 0.8.30
• 0.8.31
• 0.8.32
• 0.8.33
• 0.8.34
• 0.8.35
• 0.8.36
• 0.8.37
• 0.8.38
• 0.8.39
• 0.8.40
• 0.8.41
• 0.8.42
• 0.8.43
• 0.8.44
• 0.8.45
• 0.8.46
• 0.8.47
• 0.8.48
• 0.8.49
• 0.8.50
• 0.8.51
• 0.8.52
• 0.8.53
• 0.8.54
• 0.8.55
• 0.8.56
• 0.8.57
• 0.8.58
• 0.8.59
• 0.8.60
• 0.8.61
• 0.8.62
• 0.8.63

Website

• Product: https://github.com/Hmbown/CodeWhale/

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