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Malicious MAL-2026-11512 GHSA-2wgh-22xm-wp5f

internallib_v524

npm package · versions 1.0.2, 1.0.1

Reported Aug 3, 2026 · Updated Aug 4, 2026

If this package is installed

Remove it, treat the machine (or CI runner) as compromised, and rotate every secret, token and key it could access — from a different, clean machine.

Details

Source: amazon-inspector (eba59f6d895fdeae2b83c62331fbb87118aa51202fd30ddc351fa43276408a44)
The package's main module exports a function `command()` that invokes `/bin/bash -c` to fetch a script from reverse-shell.sh and pipe it into `sh`, connecting the installer's host back to 10.0.64.141:4433. Any consumer that requires the package and calls the exported API opens an interactive reverse shell to that hardcoded endpoint, giving the remote operator full RCE and persistent shell access on the installer's machine. The behavior is unrelated to any legitimate library function.

Source: ghsa-malware (986b1a9482ee175a6f6c9e70cf898a24208376a523e93277fdb72273fb9dd521)
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.