TeamPCP Compromised Checkmarx Jenkins AST Plugin Following KICS Supply Chain Attack

Cybersecuritynews •Tushar Subhra Dutta • May 12, 2026

A supply chain attack that started with a relatively obscure open-source scanner has now reached one of the most widely used application security tools in the industry. In May 2026, a malicious version of the Checkmarx Jenkins AST plugin was quietly published to the Jenkins Marketplace, exposing development pipelines to credential theft and unauthorized access. […]

The full story

This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

Checkmarx Jenkins Plugin Compromised by TeamPCP Malware Attack Checkmarx reported a malicious version of its Jenkins AST plugin was uploaded to the Jenkins Marketplace on May 9, 2026. This backdoored plugin, which affects security scans in Jenkins CI pipelines, poses a significant risk as it can compromise multiple projects by exploiting trusted infrastructure. Users are advised to verify they are using the correct version (2.0.13-829.vc72453fa_1c16) released on December 17, 2025. The attack is attributed to TeamPCP, which has previously targeted Checkmarx's tools, including its GitHub Actions plugin and KICS static analysis tool. The malware, dubbed Shail-Hulud, has a CVSS score of 9.4, indicating a critical vulnerability. This incident marks the third compromise of Checkmarx's packages in recent months, raising concerns about the company's security practices. Checkmarx is actively working to remove the malicious plugin and has urged users to rotate their secrets immediately. 9 sources 73

Extracted Entities

TeamPCP Compromised Checkmarx Jenkins AST Plugin Following KICS Supply Chain Attack

The full story

Extracted Entities

Attack Types (1)

Campaigns (1)

Companies (1)

CWE Weaknesses (1)

Platforms (1)

Tools (1)