flow-eslint-oxidizednpm
Advisory published Updated
flow-eslint-oxidized is a confirmed malicious npm package (MAL-2026-10896) that executes malicious code on install (malicious versions 0.0.1, 74.2.1). Do not install it — remove it immediately and rotate any exposed credentials.
Malicious code in flow-eslint-oxidized (npm)
Malicious versions
Indicators of compromise (SHA-256)
Detection & response playbook
Malicious packageFind it
Search your lockfiles and build artifacts for flow-eslint-oxidized (2 malicious versions).
If you installed it — respond
Remove flow-eslint-oxidized 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 flow-eslint-oxidized 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
Campaign
References
Credits
- ReversingLabs · finder
Detect & block this
O3 blocks flow-eslint-oxidized-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.