MAL-2026-9787 Malicious code in zsday2811778553469 (RubyGems)
Malicious package
Published
MAL-2026-9787 is a malicious package: zsday2811778553469 (RubyGems). Every version was published to cause harm.
Task:
1. Search this repository's dependency manifests and lockfiles for the package, including transitive dependencies.
2. If it is present, remove it, regenerate the lockfile with the project's package manager, and replace whatever it was used for.
3. List any CI runners, developer machines or containers that installed it, so their secrets can be rotated.
4. If the package is not used anywhere, say so and change nothing.
Reference: https://insights.sbomify.com/MAL-2026-9787/ (Markdown: https://insights.sbomify.com/MAL-2026-9787/index.md)
- Package
- zsday2811778553469
- Registry
- RubyGems
What is MAL-2026-9787?
MAL-2026-9787 is a malicious package in zsday2811778553469, published on 7 Jul 2026.
Official description
What should I do about MAL-2026-9787?
Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.
Sources
Also known as GHSA-m8wp-gc66-p399.