The Hack Sheet #002
Tuesday, October 27, 2026 · 9 stories
Security CISA confirms PHP2Shell is being actively exploited
CISA added critical PHP flaws CVE-2026-109618/109619 (unauthenticated RCE) to its KEV list; honeypots caught 35 working shells Oct 24. Patch to PHP 8.5.12, 8.4.27, 8.3.36 or 8.2.35; federal deadline Oct 29.
source: bleepingcomputer.com
Security HTTP2Shell: Brotli decoder flaw triggers emergency patches for Node.js, Python and .NET
CVE-2026-111497, an out-of-bounds write in Brotli decompression, can lead to RCE via fetch() responses and Express 5 bodies. Akamai says 61% of networks it sees run affected Node versions; upgrade to 22.23.4, 24.22.1 or 26.12.1.
source: bleepingcomputer.com
IT DreamHost forces email and FTP/SFTP password resets after unexplained incident
Resets followed days of service problems, with no word yet on cause or data access. DreamHost customers should rotate credentials and review access logs.
source: helpnetsecurity.com
Security Attackers publish data after GMO Onamae.com Desktop Cloud breach
GMO Internet's tenth update confirms suspected attackers published claimed company and customer data; its white-hat team is checking customer devices for planted malware. Expect phishing impersonating the Japanese provider.
source: internet.gmo
Crypto Solana trading bot Bloom drained of about $947K across 49 wallets
About 9,408 SOL left users' wallets in 94 seconds. Bloom blames a third-party module RCE and promises reimbursement, but transfers were signed with victims' own keys: if a bot ever held your key, move to a fresh wallet.
source: investinglive.com
Crypto X100 governance takeover: flash loan nets about $4.75M, laundered via Tornado Cash
A flash loan won two of three council seats, which approved a treasury sale worth about $4.75M; 821 ETH then went to Tornado Cash. A textbook case of governance with no timelock or defense against borrowed votes.
source: cryptotimes.io
Crypto Upbit and Bithumb flag Initia (INIT) after $2.7M MoveVM exploit
A MoveVM script-caching bug let an attacker mint unbacked tokens and bridge out about $2.7M before the chain halted. It stays halted until an audited fix ships.
source: cryptotimes.io
Security Former pentester's gang used ARTEX AI framework to steal 8.2M records
Seoul police tied seven suspects to breaches of 90+ organizations with ransom demands around $270K; the leader used an autonomous AI pentesting suite to scale attacks.
source: bleepingcomputer.com
Gaming Expanded Nintendo Switch 2 exploit now allows firmware and game dumps
Hackers moved past the limited SmileBASIC jailbreak to dumping firmware and games to a PC, with AI models reportedly helping find the memory-read chain. Expect a quick Nintendo patch.
source: kotaku.com
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