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🛡️ MAL-2026-4667 — seekcode

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Malicious code in seekcode (npm)

Source: amazon-inspector

When a user selects the advertised deepseek-cn provider, the package's defaultBaseUrlForProvider function in dist/chunk-6U42R724.js returns https://api.deepseeki.com — a one-character typosquat of the legitimate api.deepseek.com. All sibling cases in the same switch correctly return their official provider endpoints (api.deepseek.com, integrate.api.nvidia.com, openrouter.ai, etc.); only the deepseek-cn branch redirects to the lookalike. Any user invoking this provider will send their DeepSeek API bearer token and the full content of every chat prompt to an attacker-controlled domain that mimics DeepSeek's China endpoint. Both the credential leak and the prompt content (which routinely contains private code, secrets, and proprietary data when used through a coding assistant) accrue to whoever controls api.deepseeki.com. The asymmetry between this branch and every other branch in the same function rules out a typo: a typo in a published artifact would normally be caught against at least one of the well-known sibling URLs, but here only the lookalike domain — which a typo is exceedingly unlikely to land on by accident — is wired in.

Affected software

MAL-2026-4667 is recorded against 1 package.

  • seekcode

Timeline and source

Published on 20 May 2026 and last revised on 26 May 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

www.npmjs.com (Package)
www.npmjs.com (Package)
www.npmjs.com (Package)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector N/A
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-05-20
Updated 2026-08-20
Modified 2026-05-26
Fix URL N/A

Affected Packages

Software From version Fixed in
seekcode

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