Vulnerability · Published Aug 18, 2026 · Assigned by VulnCheck

CVE-2026-75915CodeWhale before 0.8.64 Environment Variable Leak via js_execution

High 7.5

In plain English

A high-severity information exposure in CodeWhale from Hmbown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 53% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)0.7%top 47.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	codewhale	0.8.64	GHSA-h539-c7r8-3xq4
npm	deepseek-tui	0.8.41	GHSA-h539-c7r8-3xq4

Affected products (as reported)

Vendor	Product	Versions
Hmbown	CodeWhale	0.8.32 – before 0.8.41
Hmbown	CodeWhale	0.8.32 – before 0.8.41
Hmbown	CodeWhale	0.8.41 – before 0.8.64
Hmbown	CodeWhale	0.8.41 – before 0.8.64

Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

GitHub Security Advisory (GHSA-h539-c7r8-3xq4) vendor-advisory
Patch Commit patch
VulnCheck Advisory: CodeWhale before 0.8.64 Environment Variable Leak via js_execution third-party-advisory