Claude flags nearly 500 worrying open source security issues — C, Java, and Python code all at risk as one flaw wasn't spotted for 21 years

Anthropic used Claude to analyze 25 open source projects and uncovered nearly 500 security issuesResearch found exposed pre-authentication code paths, conflicting security settings, and long-hidden flawsAI identified attack-surface reductions that removed unnecessary code exposure before vulnerabilities could be exploitedAnthropic recently used Claude to analyze 25 major open source projects written in C, C++, Java, PHP, and Python, in search of security issues. It found almost 500 of them, incl