GCVE-110-OSM-2026-12498

Advisory PublishedCVSS 5.4/10

Vulnetix · Advisory published June 20, 2026

PolinRider malware infection in Saddam2508/b13-a10-skillswap-client - developer account/machine compromised, obfuscated payload injected directly into postcss.config.mjs, using the previously-undocumented global.i="A#-" marker variant. === VICTIM REPO (NON-FORK) === Attack type: Direct injection into developer's own repo (not fork/PR based) Repo: Saddam2508/b13-a10-skillswap-client Infected file: postcss.config.mjs Signature: global.i="A#-..." marker variant (javascript-obfuscator.io-style hex/opcode packing, internally remaps to global['_V']) Note: this repo is not a fork - classified Category A (individual victim), not an upstream-injection attempt.

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Weaknesses (CWE)

CWE-506Embedded Malicious Code

Risk Scores

CVSS 3.1

5.4/10

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

Affected Products

Vendor	Product	Versions	Platforms
unknown		all (affected)	—

References

Malicious repository: https://github.com/Saddam2508/b13-a10-skillswap-client

advisory

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