MAL-2026-3470: Malicious package report
Malicious code in @tanstack/react-start-rsc (npm)
Published .
Updated .
Reported affected releases: 0.0.50, 0.0.47.
Known vulnerabilities and malicious package reports for @tanstack/react-start-rsc on npm, live from OSV, with CISA KEV exploitation status and EPSS scores.
1 malicious package report and 1 vulnerability 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-rsc (npm)
Published .
Updated .
Reported affected releases: 0.0.50, 0.0.47.
Malware in @tanstack/* packages exfiltrates cloud credentials, GitHub tokens, and SSH keys
Published .
Updated .
Reported affected releases: 0.0.47, 0.0.50.
Affected ranges: introduced 0.0.47, fixed 0.0.51; introduced 0.0.50, fixed 0.0.51.
Fix versions reported by the advisory: 0.0.51.
Severity: CRITICAL.
Known to be exploited (CISA KEV).
Source: OSV, including OpenSSF malicious-package reports and GitHub advisories. No known report is not proof a package is safe.