aidotse/LeakPro

LiRA attack unexpectedly changed.

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#378 opened on Feb 21, 2026

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enhancementgood first issuepriority - 4

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Description

Issue

Problem Description

  • Scoring function for the LiRA offline was changed from logpdf to logcdf.

Expected Behavior

the LiRA attack, as they implementation it, should be using logpdf and not logcdf

Contributor guide

Research direction
Locate the LiRA attack implementation in the repository, find the scoring function (likely using logcdf), and change it back to logpdf. Verify by running the relevant tests.
Tech stack
python
Domain
machine learningsecurity
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GitPython
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75