CodeWhale versions before 0.8.64 contain an environment variable exposure vulnerability in the js_execution tool that fails to scrub parent process environment variables before spawning Node.js. Attackers can craft malicious JavaScript code executed by the tool to read process.env and leak API keys, cloud credentials, and authentication tokens back to the model context.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation poc

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Hmbown CodeWhale unaffected
Version Status Constraints
0.8.32 affected < 0.8.41
0.8.41 unaffected —
Hmbown CodeWhale unaffected
Version Status Constraints
0.8.32 affected < 0.8.41
0.8.41 unaffected —
Hmbown CodeWhale unaffected
Version Status Constraints
0.8.41 affected < 0.8.64
0.8.64 unaffected —
Hmbown CodeWhale unaffected
Version Status Constraints
0.8.41 affected < 0.8.64
0.8.64 unaffected —

No data.

No data.

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Vendors Products
Hmbown Subscribe
Codewhale Subscribe

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/Hmbown/CodeWhale/commit/26de44a8bd5051f8f944ea60b2c37ae1d2b7d25e cve-icon cve-icon
https://github.com/Hmbown/CodeWhale/security/advisories/GHSA-h539-c7r8-3xq4 cve-icon cve-icon cve-icon
https://www.vulncheck.com/advisories/codewhale-before-environment-variable-leak-via-js-execution cve-icon cve-icon
History

Tue, 18 Aug 2026 18:30:00 +0000

Type Values Removed Values Added
First Time appeared Hmbown
Hmbown codewhale
Vendors & Products Hmbown
Hmbown codewhale

Tue, 18 Aug 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 18 Aug 2026 15:30:00 +0000

Type Values Removed Values Added
Description CodeWhale versions before 0.8.64 contain an environment variable exposure vulnerability in the js_execution tool that fails to scrub parent process environment variables before spawning Node.js. Attackers can craft malicious JavaScript code executed by the tool to read process.env and leak API keys, cloud credentials, and authentication tokens back to the model context.
Title CodeWhale before 0.8.64 Environment Variable Leak via js_execution
Weaknesses CWE-200
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-08-18T15:36:49.746Z

Reserved: 2026-08-18T15:05:54.225Z

Link: CVE-2026-75915

cve-icon Vulnrichment

Updated: 2026-08-18T15:36:44.183Z

cve-icon NVD

Status : Received

Published: 2026-08-18T16:18:23.970

Modified: 2026-08-18T16:18:23.970

Link: CVE-2026-75915

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-18T18:15:04Z

Weaknesses