MAL-2026-3468: Malicious package report
Malicious code in @tanstack/react-start (npm)
Published .
Updated .
Reported affected releases: 1.167.71, 1.167.68.
Known vulnerabilities and malicious package reports for @tanstack/react-start on npm, live from OSV, with CISA KEV exploitation status and EPSS scores.
1 malicious package report and 2 vulnerabilities returned by OSV. Check a specific version to see which reports apply.
If you installed a reported malicious release, remove it and rotate the credentials that machine could access. Upgrading does not undo code that already ran.
Malicious code in @tanstack/react-start (npm)
Published .
Updated .
Reported affected releases: 1.167.71, 1.167.68.
Malware in @tanstack/* packages exfiltrates cloud credentials, GitHub tokens, and SSH keys
Published .
Updated .
Reported affected releases: 1.167.68, 1.167.71.
Affected ranges: introduced 1.167.68, fixed 1.167.72; introduced 1.167.71, fixed 1.167.72.
Fix versions reported by the advisory: 1.167.72.
Severity: CRITICAL.
Known to be exploited (CISA KEV).
TanStack Router: Unauthenticated reflected XSS in TanStack Start server-function responses
Published .
Updated .
Affected ranges: introduced 1.143.12, fixed 1.168.60.
Fix versions reported by the advisory: 1.168.60.
Severity: CRITICAL.
Source: OSV, including OpenSSF malicious-package reports and GitHub advisories. No known report is not proof a package is safe.