WS-2026-0004
Published:April 17, 2026
Updated:April 17, 2026
Arbitrary code execution in protobufjs.
protobufjs compiles protobuf definitions into JS functions. Attackers can manipulate these definitions to execute arbitrary JS code.
Affected Packages
https://github.com/protobufjs/protobuf.js.git (GITHUB):
Affected version(s) >=protobufjs-v7.0.0 <protobufjs-v7.5.5Fix Suggestion:
Update to version protobufjs-v7.5.5https://github.com/protobufjs/protobuf.js.git (GITHUB):
Affected version(s) =protobufjs-v8.0.0 <protobufjs-v8.0.1Fix Suggestion:
Update to version protobufjs-v8.0.1protobufjs (NPM):
Affected version(s) >=0.0.0 <7.5.5Fix Suggestion:
Update to version 7.5.5protobufjs (NPM):
Affected version(s) =8.0.0 <8.0.1Fix Suggestion:
Update to version 8.0.1Related ResourcesĀ (1)
Do you need more information?
Contact UsCVSS v4
Base Score:
9.4
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
HIGH
CVSS v3
Base Score:
9.9
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH