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Malicious package

wgsfmore53RubyGems

Advisory published Updated

wgsfmore53 is a confirmed malicious RubyGems package (MAL-2026-9335) that executes malicious code on install (malicious version 0.0.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in wgsfmore53 (RubyGems)

MAL-2026-9335
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall wgsfmore53

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

232e95413e2c8cb8f787f44290dcf9c855e11a9dc20e5855e0472a80761f569d
8fcb517db2cbbf8f364a70ad32a34fb70d914c120c1b66776ea88d4e4e0fbb9b

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for wgsfmore53 (version 0.0.1).

  2. If you installed it — respond

    Remove wgsfmore53 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.

  3. Did it already run?

    If wgsfmore53 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. wgsfmore53 on RubyGems has been identified as a malicious package (version 0.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-03986RLUA-2026-09916

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks wgsfmore53-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

wgsfmore53 (RubyGems) malicious package — MAL-2026-9335 | O3 Security