CVE-2025-54430 – Apache Dedupe GitHub Token Exfiltration

CVE ID : CVE-2025-54430

Published : July 30, 2025, 2:15 p.m. | 1 hour, 14 minutes ago

Description : dedupe is a python library that uses machine learning to perform fuzzy matching, deduplication and entity resolution quickly on structured data. Before commit 3f61e79, a critical severity vulnerability has been identified within the .github/workflows/benchmark-bot.yml workflow, where a issue_comment can be triggered using the @benchmark body. This workflow is susceptible to exploitation as it checkout the ${{ github.event.issue.number }}, which correspond to the branch of the PR manipulated by potentially malicious actors, and where untrusted code may be executed. Running untrusted code may lead to the exfiltration of GITHUB_TOKEN, which in this workflow has write permissions on most of the scopes – in particular the contents one – and could lead to potential repository takeover. This is fixed by commit 3f61e79.

Severity: 9.1 | CRITICAL

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