Which versions of oaklfjan6 are malicious?

The following RubyGems versions of oaklfjan6 are flagged malicious: 0.0.66455. Treat any of these as compromised.

How do I remediate oaklfjan6 if I installed it?

Remove oaklfjan6 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 oaklfjan6 — how do I know if it already compromised me?

If oaklfjan6 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 oaklfjan6 part of a known attack campaign?

Yes — oaklfjan6 is associated with the RLMA-2026-03014, RLUA-2026-08878 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 oaklfjan6 across my projects, lockfiles, and CI pipelines?

Search your lockfiles and build artifacts for oaklfjan6 (version 0.0.66455).

Malicious package

oaklfjan6RubyGems

Advisory published Jul 7, 2026Updated Sep 24, 2026

oaklfjan6 is a confirmed malicious RubyGems package (MAL-2026-8363) that executes malicious code on install (malicious version 0.0.66455). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in oaklfjan6 (RubyGems)

MAL-2026-8363

Immediate action

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

gem uninstall oaklfjan6

Malicious versions

1 flagged

0.0.66455

Indicators of compromise (SHA-256)

109ba7bf54d78b9cae9cac8c5b4cfd23baafc4343084018a93fafc5efc694fca

c574198dbd6641f7789e366d6f050e1df11fab00d73c67ddbf828b567b54bff8

Detection & response playbook

Malicious package

Find it
Search your lockfiles and build artifacts for oaklfjan6 (version 0.0.66455).
If you installed it — respond
Remove oaklfjan6 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 oaklfjan6 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. oaklfjan6 on RubyGems has been identified as a malicious package (version 0.0.66455 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-03014RLUA-2026-08878

References

github.com

Credits

ReversingLabs · finder

Detect & block this

O3 blocks oaklfjan6-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

Explore

All malware advisories How O3 detects malware Vulnerability database