Is @libp2p/gossipsub affected by CVE-2026-46679?

npm @libp2p/gossipsub is affected in <15.0.23.

Is CVE-2026-46679 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

high

CVE-2026-46679

Q: Is CVE-2026-46679 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.3%.

npm · @libp2p/gossipsub

Summary

js-libp2p: Memory DoS via subscription flood of unique topics

Severity: high
EPSS: 0.3% (p17)
Also known as: GHSA-4f8r-922h-2vgv
Published: 2026-05-21

References

https://github.com/libp2p/js-libp2p/security/advisories/GHSA-4f8r-922h-2vgv
https://nvd.nist.gov/vuln/detail/CVE-2026-46679
https://github.com/libp2p/js-libp2p

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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.