PyPI PACKAGE

lupa 2.6

Block

PkgFire would stop this release from installing.·Checked 9 hours ago·Published 24 October 2025

pypi.org

Why

  • blockVulnerability

    Lupa has a Sandbox escape and RCE due to incomplete attribute_filter enforcement in getattr / setattr

Provenance

A registry signature proves the registry served these bytes unaltered. Build provenance proves which workflow built them from which commit; a stolen publishing token can fake the first but not the second.

Signature
Not signed
Build provenance
None, and no earlier version had any

What the code does

On its own this is weak signal: plenty of honest libraries read files or talk to the network. What PkgFire watches is a release gaining something the one before it did not.

Code reading

PkgFire's own reading of the files: what the code can do.

  • code-execsetup.py
  • code-native-binarythird-party/luajit20/src/host/buildvm, third-party/luajit20/src/host/buildvm.o, third-party/luajit20/src/host/buildvm_asm.o, third-party/luajit20/src/host/buildvm_fold.o, third-party/luajit20/src/host/buildvm_lib.o
  • install-execsetup.py

Source patterns

Patterns found in the source, including those malware is known to use.

  • capability-filesystem-read
  • capability-process-spawn

Other checked releases

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