@checksum-ai/runtime@5.3.1: Scan Failed npm security report

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@checksum-ai/runtime@5.3.1: Scan Failed npm security report | LPM Firewall

Source & flagged code

16 flagged

.envView file

Lines 1-1text

1CHECKSUM_RUNTIME_BUILD_TIME=2026-09-14T16:20:38.611Z

Critical

Critical Secret

Package contains a critical-looking secret pattern.

.envView on unpkg · L1

postinstall.jsView file

Lines 1-22javascript

1const fs = require("fs");

2const path = require("path");

Medium

Dynamic Require

Package source references dynamic require/import behavior.

postinstall.jsView on unpkg · L1

3const { exec } = require("child_process");

High

Child Process

Package source references child process execution.

postinstall.jsView on unpkg · L2

5try {

6 console.log("Adding checksum scripts to package.json");

7 const packageJsonPath = path.resolve(__dirname, "../../../package.json");

8 if (!fs.existsSync(packageJsonPath)) {

9 console.log("No package.json found, will not add checksum script");

10 process.exit(1);

11 }

12 const packageJson = JSON.parse(fs.readFileSync(packageJsonPath));

14 // verify that the package.json has a scripts section

15 if (!packageJson.scripts) {

16 packageJson.scripts = {};

17 }

19 packageJson.scripts["checksum"] =

20 "node ./node_modules/@checksum-ai/runtime/cli.js";

22 fs.writeFileSync(packageJsonPath, JSON.stringify(packageJson, null, 2));

30return new Promise((resolve, reject) => { L31: exec("npx playwright install", (error, stdout, stderr) => { L32: if (error) {

High

Runtime Package Install

Package source invokes a package manager install command at runtime.

postinstall.jsView on unpkg · L30

index.jsView file

1"use strict";var MK=Object.create;var xu=Object.defineProperty;var UK=Object.getOwnPropertyDescriptor;var jK=Object.getOwnPropertyNames;var HK=Object.getPrototypeOf,WK=Object.proto... L2: `);let s;for(;(s=XK.exec(l))!=null;){let r=s[1],f=s[2]||"";f=f.trim();let h=f[0];f=f.replace(/^(['"`])([\s\S]*)\1$/mg,"$2"),h==='"'&&(f=f.replace(/\\n/g,` L3: `),f=f.replace(/\\r/g,"\r")),o[r]=f}return o}u(e5,"parse");function t5(a){a=a||{};let o=UR(a);a.path=o;let l=dt.configDotenv(a);if(!l.parsed){let h=new Error(`MISSING_DATA: Cannot ... L4: `)||a.includes("\r")||a.includes("\0"))===!1}u(p2,"isValidHeaderValue");function AZ(a){let o=(a.headersList.get("referrer-policy",!0)??"").split(","),l="";if(o.length)for(let s=o.l... ... L45: L46: ${o.format(l)}`.trim())}};O3.exports=fO});var pO=b((exe,k3)=>{

Critical

Remote Asset Decode Execute

Source fetches a remote non-code asset, decodes its contents, and dynamically executes the decoded payload.

index.jsView on unpkg · L1

Critical

Remote Response Code Execution

Source passes code obtained from a remote response into a dynamic execution sink.

index.jsView on unpkg · L1

cli.jsView file

1Cross-file remote execution chain: cli.js spawns checksumlib.js; helper contains network access plus dynamic code execution. L1: "use strict";var cX=Object.create;var xs=Object.defineProperty;var lX=Object.getOwnPropertyDescriptor;var uX=Object.getOwnPropertyNames;var sX=Object.getPrototypeOf,fX=Object.proto... L2: `);let s;for(;(s=IX.exec(l))!=null;){let i=s[1],f=s[2]||"";f=f.trim();let g=f[0];f=f.replace(/^(['"`])([\s\S]*)\1$/mg,"$2"),g==='"'&&(f=f.replace(/\\n/g,` L3: `),f=f.replace(/\\r/g,"\r")),o[i]=f}return o}u(OX,"parse");function CX(a){a=a||{};let o=L_(a);a.path=o;let l=Ct.configDotenv(a);if(!l.parsed){let g=new Error(`MISSING_DATA: Cannot ... L4: `)||a.includes("\r")||a.includes("\0"))===!1}u(lF,"isValidHeaderValue");function Fne(a){let o=(a.headersList.get("referrer-policy",!0)??

High

Cross File Remote Execution Context

Source spawns a local helper that also contains network and dynamic execution context; review data flow before blocking.

cli.jsView on unpkg · L1

checksum-progress-reporter.js#virtual:normalized:round1View file

•stage = ast_semantic_analysis; reason = ast_parse_error; limitedFiles = 3

High

Semantic Analysis Limited

A bounded semantic-analysis stage reached its safety limit; remaining detectors completed, but this package requires AI review.

checksum-progress-reporter.js#virtual:normalized:round1View on unpkg

checksum-root/checksum.config.tsView file

44patternName = generic_password severity = medium line = 44

Medium

Secret Pattern

Hardcoded password in checksum-root/checksum.config.ts

checksum-root/checksum.config.tsView on unpkg · L44

Source & flagged code

16 flagged · loading source

.envView file

1patternName = blocked_file severity = critical blockedFile = .env redactedSecretContext = secretLikeLines = 1 L1: CHECKSUM_RUNTIME_BUILD_TIME=<redacted:24 token-like>

Critical

Critical Secret

Package contains a critical-looking secret pattern.

.envView on unpkg · L1

postinstall.jsView file

2const path = require("path"); L3: const { exec } = require("child_process"); L4:

High

Child Process

Package source references child process execution.

postinstall.jsView on unpkg · L2

30return new Promise((resolve, reject) => { L31: exec("npx playwright install", (error, stdout, stderr) => { L32: if (error) {

High

Runtime Package Install

Package source invokes a package manager install command at runtime.

postinstall.jsView on unpkg · L30

1const fs = require("fs"); L2: const path = require("path");

Medium

Dynamic Require

Package source references dynamic require/import behavior.

postinstall.jsView on unpkg · L1

index.jsView file

Critical

Remote Asset Decode Execute

Source fetches a remote non-code asset, decodes its contents, and dynamically executes the decoded payload.

index.jsView on unpkg · L1

Critical

Remote Response Code Execution

Source passes code obtained from a remote response into a dynamic execution sink.

index.jsView on unpkg · L1

cli.jsView file

High

Cross File Remote Execution Context

Source spawns a local helper that also contains network and dynamic execution context; review data flow before blocking.

cli.jsView on unpkg · L1

checksum-progress-reporter.js#virtual:normalized:round1View file

•stage = ast_semantic_analysis; reason = ast_parse_error; limitedFiles = 3

High

Semantic Analysis Limited

A bounded semantic-analysis stage reached its safety limit; remaining detectors completed, but this package requires AI review.

checksum-progress-reporter.js#virtual:normalized:round1View on unpkg

checksum-root/checksum.config.tsView file

44patternName = generic_password severity = medium line = 44

Medium

Secret Pattern

Hardcoded password in checksum-root/checksum.config.ts

checksum-root/checksum.config.tsView on unpkg · L44

Source & flagged code

16 flagged

.envView file

Lines 1-1text

1CHECKSUM_RUNTIME_BUILD_TIME=2026-09-14T16:20:38.611Z

Critical

Critical Secret

Package contains a critical-looking secret pattern.

.envView on unpkg · L1

postinstall.jsView file

Lines 1-22javascript

1const fs = require("fs");

2const path = require("path");

Medium

Dynamic Require

Package source references dynamic require/import behavior.

postinstall.jsView on unpkg · L1

3const { exec } = require("child_process");

High

Child Process

Package source references child process execution.

postinstall.jsView on unpkg · L2

5try {

6 console.log("Adding checksum scripts to package.json");

7 const packageJsonPath = path.resolve(__dirname, "../../../package.json");

8 if (!fs.existsSync(packageJsonPath)) {

9 console.log("No package.json found, will not add checksum script");

10 process.exit(1);

11 }

12 const packageJson = JSON.parse(fs.readFileSync(packageJsonPath));

14 // verify that the package.json has a scripts section

15 if (!packageJson.scripts) {

16 packageJson.scripts = {};

17 }

19 packageJson.scripts["checksum"] =

20 "node ./node_modules/@checksum-ai/runtime/cli.js";

22 fs.writeFileSync(packageJsonPath, JSON.stringify(packageJson, null, 2));

30return new Promise((resolve, reject) => { L31: exec("npx playwright install", (error, stdout, stderr) => { L32: if (error) {

High

Runtime Package Install

Package source invokes a package manager install command at runtime.

postinstall.jsView on unpkg · L30

index.jsView file

Critical

Remote Asset Decode Execute

Source fetches a remote non-code asset, decodes its contents, and dynamically executes the decoded payload.

index.jsView on unpkg · L1

Critical

Remote Response Code Execution

Source passes code obtained from a remote response into a dynamic execution sink.

index.jsView on unpkg · L1

cli.jsView file

High

Cross File Remote Execution Context

Source spawns a local helper that also contains network and dynamic execution context; review data flow before blocking.

cli.jsView on unpkg · L1

checksum-progress-reporter.js#virtual:normalized:round1View file

•stage = ast_semantic_analysis; reason = ast_parse_error; limitedFiles = 3

High

Semantic Analysis Limited

A bounded semantic-analysis stage reached its safety limit; remaining detectors completed, but this package requires AI review.

checksum-progress-reporter.js#virtual:normalized:round1View on unpkg

checksum-root/checksum.config.tsView file

44patternName = generic_password severity = medium line = 44

Medium

Secret Pattern

Hardcoded password in checksum-root/checksum.config.ts

checksum-root/checksum.config.tsView on unpkg · L44

@checksum-ai/runtime@5.3.1

Static Scan Results

Decision evidence

Source & flagged code

Source & flagged code

Findings

Affected versions and remediation

Source & flagged code