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Malicious package

uipagainnpm

Malicious code in uipagain (npm) Remove it immediately and rotate any exposed credentials.

MAL-2026-2085
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall uipagain

What this malware does

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.

The OpenSSF Package Analysis project identified 'uipagain' @ 1.0.0 (npm) as malicious.

It is considered malicious because:

  • The package communicates with a domain associated with malicious activity.

Malicious versions

1 flagged
1.0.0

Indicators of compromise (SHA-256)

1c1ad0a85f16b02a40360ef60cee3306897ea481a3ffd0a06818d2a73c679865
ce51f32914790894849b4c106fc9daf33bdbf5fc2cce5fbe8629a73ff78d2cbc

Detection & response playbook

Malicious package
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for uipagain (version 1.0.0). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging uipagain across your stack and pipelines.

  2. If you installed it — respond

    Remove uipagain from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound activity or persistence.

  3. Did it already run?

    If uipagain was ever installed, its post-install/runtime payload may have already executed. O3's L7 egress monitoring and runtime eBPF sensors detect the credential exfiltration or command-and-control callback after install and block the malicious outbound channel, so you catch and contain the actual compromise — not just the presence of the package.

  4. How O3 protects you

    O3 blocks uipagain before install through its supply-chain scanner, and if it has already run, detects and severs the exfiltration or C2 callback at runtime through L7 egress monitoring and eBPF.

Frequently asked questions

No. uipagain on npm has been identified as a malicious package (version 1.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

GHSA-hwc6-54mv-7qc5

References

Credits

  • OpenSSF: Package Analysis · finder

Detect & block this

O3 blocks uipagain-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the malicious outbound activity and severs the channel.

uipagain (npm) malicious package — MAL-2026-2085 | O3 Security