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Malicious package

typeorm-encryptnpm

Advisory published Updated

typeorm-encrypt is a confirmed malicious npm package (MAL-2026-5633) that typosquats a legitimate package to trick installs (malicious versions 1.0.1, 1.0.2). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in typeorm-encrypt (npm)

MAL-2026-5633
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall typeorm-encrypt

What this malware does

The published tarball contains lib/lib.min.js, a heavily obfuscated file that stashes Node intrinsics on globals (global['r']=require; global['m']=module;) before invoking a Function-constructor eval'd payload. This is the canonical dropper shape: code that needs require access but is structured to evade casual review through a permutation-decoder + Function-eval pipeline. The file is not referenced from lib/index.js (the package main) or any other clean module in the package, whose stated purpose is a small TypeORM transformer for encrypted columns (lib/crypto.js, lib/entity.js, lib/transformer.js show that purpose in clear source). Shipping an obfuscated payload that has no role in the advertised functionality, and that is wired to access Node's require/module via globals when invoked, is unjustified for a column-encryption transformer. Corroborating signal: package.json declares an empty author name with a lookalike email domain ([email protected]) and no repository or homepage fields — typical placeholder maintainer metadata. While the obfuscated file is dormant on a default require('typeorm-encrypt') (it is not on the load graph from main), its presence in the tarball means any path that loads it — a future patch flipping main, a sibling package requiring typeorm-encrypt/lib/lib.min.js directly, or runtime code in other distribution paths — executes attacker-controlled obfuscated code with full Node intrinsics access. The combination of obfuscation, require-stashing prologue, purpose mismatch, and placeholder maintainer identity is consistent with smuggled malicious code.

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.

Malicious versions

2 flagged
1.0.11.0.2

Indicators of compromise (SHA-256)

dc67e2dca7bff2668f3bf2504574289c8ed5d5bbda1e2f52636df55205076d0d
20406ffcfde6d90076be56c9440857b5fe2f5bff8d4f7d54def2f8d4f6e9d5db
a56a819a1e640411db5e485054b23282d0d04f847270ea17c605cbfa6e6ab5ac

Detection & response playbook

Typosquat
  1. Find it

    Search your lockfiles and build artifacts for typeorm-encrypt (2 malicious versions).

  2. If you installed it — respond

    typeorm-encrypt is a typosquat — you almost certainly intended a legitimately-named package. Remove typeorm-encrypt, install the correct package, and rotate any secrets exposed during the install since post-install scripts may have already run.

  3. Did it already run?

    If typeorm-encrypt was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. typeorm-encrypt on npm has been identified as a malicious package (versions 1.0.1, 1.0.2 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

GHSA-f7h6-4xj8-8qh7IN-MAL-2026-005795IN-MAL-2026-005796

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks typeorm-encrypt-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.

Explore

typeorm-encrypt (npm) malicious package — MAL-2026-5633 | O3 Security