Steam flaws enabled zero-click code execution between logged-in PCs
Brief
Valve’s Steam platform was susceptible to zero-click remote code execution between computers signed into the same account. The findings were detailed by Atredis Partners researcher Bryan Alexander in an October 28 report, following a partial presentation at BSides PDX 2026. The team released proof-of-concept code and reported all the issues through Valve’s HackerOne program. Atredis …
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