Is protocol-buffers-schema affected by CVE-2026-5758?

npm protocol-buffers-schema is affected in <3.6.1.

Is CVE-2026-5758 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.5%.

medium

CVE-2026-5758

Q: Is CVE-2026-5758 being exploited?

Not on the CISA KEV list. EPSS exploit probability is 0.5%.

npm · protocol-buffers-schema

Summary

Mafintosh's protocol-buffers-schema is vulnerable to prototype pollution

Severity: medium
EPSS: 0.5% (p41)
Also known as: GHSA-j452-xhg8-qg39
Published: 2026-04-15

References

https://nvd.nist.gov/vuln/detail/CVE-2026-5758
https://github.com/mafintosh/protocol-buffers-schema/pull/70
https://github.com/mafintosh/protocol-buffers-schema

Is your project exposed to this? Stateward checks every dependency on every pull request and flags it only if your code actually reaches it.

Check my repo

Summarize with AI

ChatGPT Claude Perplexity

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.