Which versions of @egencia/uitk-react-layout-flex are malicious?

The following npm versions of @egencia/uitk-react-layout-flex are flagged malicious: 99.99.9. Treat any of these as compromised.

How do I remediate @egencia/uitk-react-layout-flex if I installed it?

Remove @egencia/uitk-react-layout-flex 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.

I already installed @egencia/uitk-react-layout-flex — how do I know if it already compromised me?

If @egencia/uitk-react-layout-flex 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.

Is @egencia/uitk-react-layout-flex part of a known attack campaign?

Yes — @egencia/uitk-react-layout-flex is associated with the RLMA-2026-10630 campaign. Packages in the same campaign often share infrastructure and payloads, so check whether any related packages are also in your dependency tree.

How do I find @egencia/uitk-react-layout-flex across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for @egencia/uitk-react-layout-flex (version 99.99.9).

Part of a larger attack: @egencia published 8 malicious packages. See the full campaign →

Malicious package

@egencia/uitk-react-layout-flexnpm

Advisory published Sep 22, 2026Updated Sep 24, 2026

@egencia/uitk-react-layout-flex is a confirmed malicious npm package (MAL-2026-16520) that executes malicious code on install (malicious version 99.99.9). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in @egencia/uitk-react-layout-flex (npm)

MAL-2026-16520

Immediate action

Remove the package, then rotate any secrets the build/runtime could reach.

npm uninstall @egencia/uitk-react-layout-flex

Malicious versions

1 flagged

99.99.9

Indicators of compromise (SHA-256)

15328ea452d2c0fce3c74a3da24d4dfcaed5fa536323aa77c8a119c207a9d631

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for @egencia/uitk-react-layout-flex (version 99.99.9).
If you installed it — respond
Remove @egencia/uitk-react-layout-flex 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.
Did it already run?
If @egencia/uitk-react-layout-flex 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. @egencia/uitk-react-layout-flex on npm has been identified as a malicious package (version 99.99.9 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-10630

Credits

ReversingLabs · finder

Detect & block this

O3 blocks @egencia/uitk-react-layout-flex-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.

Malware detection Runtime egress monitoring

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