🧵 We just discovered critical RCE vulnerabilities in popular AI coding tools including Claude Code and Gemini CLI. The issue: These tools use OAuth for MCP (Model Context Protocol) authentication, but don't validate authorization URLs from servers.
#SekaiCTF 2025 is in a month! We are thrilled to announce our prize pool this year, featuring USD$5,000 in cash and prizes worth over $10,000! The top two teams will earn qualification for the following onsite events: - The 10th XCTF Finals in China (Jul-Aug, 2026):…
Registration has opened for the first ever smileyCTF @ play.ctf.gg starting June 13th! Compete for $2,000 in cash prizes, and pre-qualify for a trip to Valletta, Malta for MaltaCTF Finals! @malta_ctf
play.ctf.gg
smileyCTF
Join us for smileyCTF, the inaugural CTF hosted by .;,;. — America's #1 CTF team*!
There are 5 ways to qualify! (Qualifying gets you flight compensation and accommodation) - SmileyCTF, 14th June - MaltaCTF Quals (4 finalists), 21st June - DeadSecCTF, 26th July - idekCTF, 2nd August - SekaiCTF, 16th August
picoCTF 2025 Top Teams Announcement! 🎉🏆 We are thrilled to announce the TOP 10 TEAMS in the US Middle/High School Bracket for #picoCTF2025! 🥇 1st Place: les amateurs 🥈 2nd Place: SHIKANOKO NOKONOKO KOSHlTANTAN 🥉 3rd Place: zwsp #Cybersecurity #HackForGood@CarnegieMellon
LakeCTF qualifications are now over! 🥇 @smiley_ctf 🥈 @WreckTheLine 🥉 @dicegangctf Congratulations to the winners, see you in Lausanne for the finals! 📷
First place in BlockCTF by @blocks ! Full clear in 8 hours. Full writeups are posted on ctf.gg/blog/blockctf-… !
corCTF 2024 just ended 🥳 Thank you once again to all of our wonderful sponsors and players! Congrats to the top 5 teams: 1. @amateurs_team @vsctf 2. @ProjectSEKAIctf @r3kapig 3. @CyberTeamItaly 4. @x_vespiary 5. @idekCTF The last 3 hours was really a tight battle 👀
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