protobufjs-cli vulnerabilities

Latest protobufjs-cli CVEs

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1. CVE-2026-54271 protobufjs-cli: Code injection in pbjs static output from crafted JSON descriptor names

   Published 2026-06-22

   High·CVSS 8.2 EPSS 0.30%

   protobufjs-cli is the command line add-on for protobuf.js. Prior to 1.3.2 and 2.5.0, a previous fix for unsafe name handling in pbjs static / static-module code generation was incomplete. Affected versions of protobufjs-cli could still emit unsafe JavaScript references when gener...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.