GCVE-110-OSM-2026-1074

Advisory PublishedCVSS 8.8/10

Vulnetix · Advisory published March 23, 2026

Legitimate Checkmarx cx-dev-assist OpenVSX extension (v1.7.0) compromised on March 23, 2026 as part of the TeamPCP campaign. Part of a broader hijack that affected 35 tags across Checkmarx OpenVSX extensions. Compromise was achieved using stolen tokens from the Trivy supply-chain attack. Compromised OpenVSX extension for Checkmarx Developer Assistant. Malicious version: 1.7.0 35 tags hijacked across Checkmarx OpenVSX extensions. Compromise date: March 23, 2026 Part of TeamPCP multi-ecosystem campaign.

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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	cx-dev-assist	all (affected)	—

References

Malicious openvsx package: cx-dev-assist

advisory

vendor

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