registry / @zannstore/baileys / 2.4.1

@zannstore/baileys@2.4.1

OSV Malicious Advisory

scanned 16d ago · by OpenSSF/OSV

OpenSSF/OSV advisory MAL-2026-11179 confirms this npm version as malicious. Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

Advisory

MAL-2026-11179

Source

OpenSSF Malicious Packages via OSV

Summary

Malicious code in @zannstore/baileys (npm)

Details

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

Decision reason

One or more suspicious static signals were detected.

References

OSV advisory OpenSSF JSON ADVISORY

Decision evidence

public snapshot

Behavioral surface

Source

ChildProcessCryptoDynamicRequireEnvironmentVarsFilesystemNetworkShellWebSocket

Supply chain

HighEntropyStringsUrlStrings

Manifest

WildcardDependency

scanned 130 file(s), 2.01 MB of source, external domains: call.whatsapp.com, google.com, graph.whatsapp.com, mmg.whatsapp.net, raw.githubusercontent.com, v.whatsapp.net, wa.me, web.whatsapp.com, www.whatsapp.com

Oversized source lightweight scan

WAProto/index.js4.23 MB file, sampled 256 KB

ChildProcess

Source & flagged code

8 flagged

package.jsonView file

•scripts.preinstall = node ./engine-requirements.js

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg

lib/WABinary/constants.jsView file

620patternName = google_api_key severity = high line = 620 matchedText = 'AIzaSyD...Lk',

High

High Secret

Package contains a high-severity secret pattern.

lib/WABinary/constants.jsView on unpkg · L620

620patternName = google_api_key severity = high line = 620 matchedText = 'AIzaSyD...Lk',

High

Secret Pattern

Google API key in lib/WABinary/constants.js

lib/WABinary/constants.jsView on unpkg · L620

lib/Utils/bot-toolkit.jsView file

259} L260: const { downloadMediaMessage } = require('./messages'); L261: const buffer = await downloadMediaMessage({ message: target }, 'buffer', {});

Medium

Dynamic Require

Package source references dynamic require/import behavior.

lib/Utils/bot-toolkit.jsView on unpkg · L259

lib/Utils/validate-connection.jsView file

111pull: false, L112: devicePairingData: { L113: buildHash: appVersionBuf, ... L143: const { details, hmac, accountType } = proto.ADVSignedDeviceIdentityHMAC.decode(deviceIdentityNode.content); L144: let hmacPrefix = Buffer.from([]); L145: if (accountType !== undefined && accountType === proto.ADVEncryptionType.HOSTED) { ... L167: ]); L168: account.deviceSignature = Curve.sign(signedIdentityKey.private, deviceMsg); L169: const identity = createSignalIdentity(lid, accountSignatureKey);

Low

Weak Crypto

Package source references weak cryptographic algorithms.

lib/Utils/validate-connection.jsView on unpkg · L111

WAProto/GenerateStatics.shView file

•path = WAProto/GenerateStatics.sh kind = build_helper sizeBytes = 302 magicHex = [redacted]

Medium

Ships Build Helper

Package ships non-JavaScript build or shell helper files.

WAProto/GenerateStatics.shView on unpkg

WAProto/index.jsView file

•path = WAProto/index.js kind = oversized_source_file sizeBytes = 4435208 magicHex = [redacted]

Medium

Oversized Source File

Package contains source files above the normal full-analysis size ceiling.

WAProto/index.jsView on unpkg

lib/WABinary/constants.d.tsView file

20patternName = google_api_key severity = high line = 20 matchedText = export d..."]];

High

Secret Pattern

Google API key in lib/WABinary/constants.d.ts

lib/WABinary/constants.d.tsView on unpkg · L20

Source & flagged code

8 flagged · loading source

package.jsonView file

•scripts.preinstall = node ./engine-requirements.js

High

Install Time Lifecycle Scripts

Package defines install-time lifecycle scripts.

package.jsonView on unpkg

lib/WABinary/constants.jsView file

620patternName = google_api_key severity = high line = 620 matchedText = 'AIzaSyD...Lk',

High

High Secret

Package contains a high-severity secret pattern.

lib/WABinary/constants.jsView on unpkg · L620

620patternName = google_api_key severity = high line = 620 matchedText = 'AIzaSyD...Lk',

High

Secret Pattern

Google API key in lib/WABinary/constants.js

lib/WABinary/constants.jsView on unpkg · L620

Findings

4 High7 Medium6 Low

HighInstall Time Lifecycle Scriptspackage.json

HighHigh Secretlib/WABinary/constants.js

HighSecret Patternlib/WABinary/constants.js

HighSecret Patternlib/WABinary/constants.d.ts

MediumDynamic Requirelib/Utils/bot-toolkit.js

MediumNetwork

MediumEnvironment Vars

MediumShips Build HelperWAProto/GenerateStatics.sh

MediumOversized Source FileWAProto/index.js

MediumStructural Risk Force Deep Review

MediumWildcard Dependency

LowNon Install Lifecycle Scripts

LowScripts Present

LowWeak Cryptolib/Utils/validate-connection.js