Is protobufjs-cli affected by CVE-2026-54271?

npm protobufjs-cli is affected in =2.0.0 <2.5.0.

Is CVE-2026-54271 being exploited?

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

high

CVE-2026-54271

Q: Is CVE-2026-54271 being exploited?

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

npm · protobufjs-cli

Summary

protobufjs-cli: Code injection in pbjs static output from crafted JSON descriptor names

Severity: high
EPSS: 0.3% (p23)
Also known as: GHSA-pr59-h9ph-3fr8
Published: 2026-06-15

References

https://github.com/protobufjs/protobuf.js/security/advisories/GHSA-pr59-h9ph-3fr8
https://github.com/protobufjs/protobuf.js

Related advisories

CVE-2026-44295 — high · npm/protobufjs-cli
CVE-2026-42290 — high · npm/protobufjs-cli
CVE-2026-54269 — medium · npm/protobufjs-cli

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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.