Python Vulnerability Lookup

Simon Willison’s Weblog Subscribe Sponsored by: WorkOS — Ready to sell to Enterprise clients? Build and ship securely with WorkOS. TOOL Python Vulnerability Lookup I learned that the OSV.dev open source vulnerability database has an open CORS JSON API so I had Claude Code build this HTML tool for pasting in a pyproject.toml or requirements.txt file (or name of a GitHub repo containing those) and seeing a list of all reported vulnerabilities from that API. Posted 29th March 2026 at 6:46 pm Recent articles Vibe coding SwiftUI apps is a lot of fun - 27th March 2026 Experimenting with Starlette 1.0 with Claude skills - 22nd March 2026 Profiling Hacker News users based on their comments - 21st March 2026 This is a beat by Simon Willison, posted on 29th March 2026. python 1239 security 586 tools 53 supply-chain 15 vibe-coding 80 Monthly briefing Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments. Pay me to send you less! Sponsor & subscribe Disclosures Colophon © 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026