CVE-2026-42290— protobufjs-cli: OS Command Injection
Affected Version Matrix 2
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| protobufjs | protobuf.js | >= 2.0.0, < 2.0.2 | affected |
< 1.2.1 | affected |
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I. Basic Information for CVE-2026-42290
Vulnerability Information
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Vulnerability Title
protobufjs-cli: OS Command Injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
protobufjs-cli is the command line add-on for protobuf.js. Prior to 1.2.1 and 2.0.2, pbts invoked JSDoc by building a shell command string from input file paths and executing it through child_process.exec. File paths containing shell metacharacters could therefore be interpreted by the shell instead of being passed to JSDoc as plain arguments. This vulnerability is fixed in 1.2.1 and 2.0.2.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
protobuf.js 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
protobuf.js是The protobuf.js Project开源的一个纯 JavaScript 实现，具有对node.js和浏览器的TypeScript支持的协议缓冲区实现。它易于使用，速度极快，并且通过.proto文件可以开箱即用！ protobuf.js 1.2.1之前版本和2.0.2之前版本存在操作系统命令注入漏洞，该漏洞源于pbts通过构建shell命令字符串执行JSDoc，文件路径中的shell元字符可能被shell解释。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| protobufjs | protobuf.js | >= 2.0.0, < 2.0.2 | - |
II. Public POCs for CVE-2026-42290
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · protobufjs · 2026-05-13 · 10 CVEs total
| CVE-2026-44295 | 8.7 HIGH | protobufjs-cli: Code injection in pbjs static output from crafted schema names |
| CVE-2026-44291 | 8.1 HIGH | protobufjs: Code generation gadget after prototype pollution |
| CVE-2026-44289 | 7.5 HIGH | protobufjs: Denial of service through unbounded protobuf recursion |
| CVE-2026-44290 | 7.5 HIGH | protobufjs: Process-wide denial of service through unsafe option paths |
| CVE-2026-45740 | 5.3 MEDIUM | protobufjs: Denial of Service via unbounded recursive JSON descriptor expansion |
| CVE-2026-44288 | 5.3 MEDIUM | protobufjs: Overlong UTF-8 decoding |
| CVE-2026-44294 | 5.3 MEDIUM | protobufjs: Denial of service from crafted field names in generated code |
| CVE-2026-44292 | 5.3 MEDIUM | protobufjs: Prototype injection in generated message constructors |
| CVE-2026-44293 | protobufjs: Code injection through bytes field defaults in generated toObject code |
IV. Related Vulnerabilities
Same product: protobuf.js
- CVE-2026-44295
protobufjs-cli: Code injection in pbjs static output from cr - CVE-2026-45740
protobufjs: Denial of Service via unbounded recursive JSON d - CVE-2026-44294
protobufjs: Denial of service from crafted field names in ge - CVE-2026-44293
protobufjs: Code injection through bytes field defaults in g - CVE-2026-44292
protobufjs: Prototype injection in generated message constru
Same vendor: protobufjs
- CVE-2026-44295
protobufjs-cli: Code injection in pbjs static output from cr - CVE-2026-45740
protobufjs: Denial of Service via unbounded recursive JSON d - CVE-2026-44294
protobufjs: Denial of service from crafted field names in ge - CVE-2026-44293
protobufjs: Code injection through bytes field defaults in g - CVE-2026-44292
protobufjs: Prototype injection in generated message constru
Same weakness: CWE-78
V. Comments for CVE-2026-42290
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