GCVE-110-OSM-2026-12389

Advisory PublishedCVSS 8.8/10

Vulnetix · Advisory published May 5, 2026

PolinRider malware was merged into Skyconnect-Inc/keywind postcss.config.js and subsequently removed via a maintainer security-fix PR (self-remediated). === CONFIRMED UPSTREAM INFECTION - HISTORICAL, SELF-REMEDIATED === Repo: Skyconnect-Inc/keywind Infected file: postcss.config.js Evidence: merged PR #1 titled "security: remove Lazarus PostCSS payload (incident 2026-05-05)" - the community's own fix commit, whose diff shows deletion of the PolinRider obfuscated payload, confirming prior infection. Original injection commit/PR not individually identified in this pass - the repo's own incident response PR is the evidence of compromise.

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Weaknesses (CWE)

CWE-506Embedded Malicious Code

Risk Scores

CVSS 3.1

8.8/10

High · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Products

Vendor	Product	Versions	Platforms
unknown		all (affected)	—

References

Malicious repository: https://github.com/Skyconnect-Inc/keywind

advisory

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