Malware in @tanstack/* packages exfiltrates cloud credentials, GitHub tokens, and SSH keys
Affected range
SEMVER: introduced 0.0.47; fixed 0.0.51SEMVER: introduced 0.0.50; fixed 0.0.51Fixed versions: 0.0.51
@tanstack/react-start-rsc
React Server Components support for TanStack Start
npm latest 0.1.55 MIT
Evidence path
Version, exploitation, severity
RequestGuard keeps these facts separate. A KEV match refers to a CVE, while OSV supplies the package and version match.
1
Latest version
0.1.55
No matching published advisory returned
2
Known exploitation
No KEV match
Checked by exact CVE identifier
3
Highest advisory severity
Critical
2 active advisories
Check an exact version
The registry confirms the version, then OSV checks advisories for that exact value.
Published records
Advisories
MAL-2026-3470 unknown