Malicious Code Injection in rival-poke95: A Threat to npm Users

rival-poke95 Updated 26 Nov 2025

Summary

12/11/2025
CRITICAL
No i
Critical
Not published

MAL-2025-165083: Malicious code in rival-poke95 (npm). Affected versions are not published. No fix is published. How to fix ↓

Free scan

Check if this vulnerability affects your application

Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.

Check my app free

No signup required · Results in about 60 seconds

Upload your dependency manifest or SBOM

Drag & drop your file here or

Java Javascript PHP Python Go Rust Ruby Dart C/C++ Elixir CycloneDX SPDX

Upload a supported dependency manifest or SBOM. No installation or source-code access required.

See supported files and SBOM formats
SBOM sbom.json · bom.json · bom.xml · *.spdx.json · *.cdx.json · *.cdx.xml
Java pom.xml · gradle.lockfile · buildscript-gradle.lockfile
Javascript package-lock.json · yarn.lock · pnpm-lock.yaml
PHP composer.lock
Python poetry.lock · requirements.txt · Pipfile.lock
Go go.mod
Rust Cargo.lock
Ruby Gemfile.lock
Dart pubspec.lock
C/C++ conan.lock
Elixir mix.lock
Enter your work email to receive your report link.

Verify your email to view the full report and start 30 days of continuous monitoring. No credit card required.

Sponsored MarkAI Find prospects already talking about the problem you solve AI watches the communities your customers use to find qualified prospects, then alerts you when a conversation is worth joining. See MarkAI

Background

rival-poke95 is an npm package that is part of the tea.xyz token reward campaign, which has been associated with malicious activities. This package is designed to facilitate the automatic generation and publication of derivative packages, often with randomized names, to inflate developer reputation scores for token rewards. The presence of malicious scripts within this package poses a significant risk to users and the integrity of the npm registry.

Vulnerability Detail

The vulnerability in rival-poke95 originates from malicious code that modifies the package.json file to remove private flags and alters version numbers. It generates random package names, often themed around Indonesian culture, and continuously republishes these variants to pollute the npm registry. This behavior can lead to reputation damage for developers and compromise the security of applications relying on this package.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall rival-poke95

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Workaround

As a temporary workaround, users can remove the rival-poke95 package from their project by executing the following command: npm uninstall rival-poke95. This will prevent any malicious code from executing until a secure version is available.

Conclusion

The rival-poke95 package poses a significant security risk due to its malicious code that alters package configurations and repopulates the npm registry with harmful variants. Users are urged to take immediate action by updating or removing the package to safeguard their applications.

See every vulnerability recorded for rival-poke95 →

Share this vulnerability

FAQ

The vulnerability involves malicious code that modifies package.json files and republishes variants to the npm registry, potentially compromising application security.

You can use Vulert, which monitors open-source vulnerabilities in real-time. By utilizing the Vulert playground, you can check your application without any signup.

You should uninstall the package immediately and check for any updates or patches that may address the vulnerability.

Yes, the vulnerability can lead to reputation damage for developers and may compromise the security of applications that depend on the affected package.

Detailed information can be found in the vulnerability report on the npm registry and through security advisories related to rival-poke95.

How To Fix

This package is malicious. Remove it and rotate any credentials it could have accessed.

npm uninstall rival-poke95

If it arrived as a transitive dependency, remove the package that pulled it in, then reinstall.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Subscribe to Vulert on Telegram
Daily digest of new CVEs, critical and high severity, affected packages and fixes — plus a weekly roundup.
Join the channel →
Help improve this record
Report an issue or send feedback