Report by Endor Labs

Malware in Open Source Ecosystems

7 FINDINGSPublished Apr 1, 2026
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Key Findings

Fewer than half of organizations plan to increase budgets for 2026.

BudgetingSecurity InvestmentOpen Source

88% of IT professionals across DevOps, Security, and Software Engineering roles say the first few days after a package release are the riskiest.

Risk WindowPackage ReleasesOpen Source

Only 21% of organizations enforce protections like cooldown periods.

Security ControlsOpen SourceCooldown Period

In 2025, more than 90% of open source vulnerability (OSV) malware advisories were reported, a 14x increase over the past two years.

Malware Advisories

Only 14% of previously compromised npm packages use modern security controls like Trusted Publishing.

npmTrusted PublishingPackage Security

81% of organizations name OSS malware a top security priority.

Open SourceSecurity PrioritiesOrganizational Risk

In 2025, 92% of npm account takeovers occur.

Open SourceSupply ChainAccount Takeover