Is @tanstack/start-server-core affected by GHSA-9m65-766c-r333?

npm @tanstack/start-server-core is affected in <1.167.30.

Is GHSA-9m65-766c-r333 being exploited?

Not on the CISA KEV list. EPSS exploit probability is not available.

medium

GHSA-9m65-766c-r333

Q: Is GHSA-9m65-766c-r333 being exploited?

Not on the CISA KEV list. EPSS exploit probability is not available.

npm · @tanstack/start-server-core

Summary

TanStack Start - Server Core: Inbound server-function request deserialization could invoke a sibling client-referenced server function

Severity: medium
Published: 2026-05-14

References

https://github.com/TanStack/router/security/advisories/GHSA-9m65-766c-r333
https://github.com/TanStack/router
https://github.com/lxsmnsyc/seroval/security/advisories

Related advisories

CVE-2026-45321 — critical · npm/@tanstack/start-server-core

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.