
Cloudflare mitigated 18.2 million DDoS attacks in Q3 2026
Attacks rose 208% year over year, but 98% stayed under 1 Gbps and most ended within ten minutes.
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Attacks rose 208% year over year, but 98% stayed under 1 Gbps and most ended within ten minutes.

Most attacks lasted under ten minutes and stayed below 1 Gbps, while terabit-scale floods fell nearly 69% from the prior quarter.

Attacks over 1 Tbps fell to 251 from 805 after takedowns of four large IoT botnets.

CVE-2026-109618 and CVE-2026-109619 allow unauthenticated command execution; fixed PHP builds shipped on October 21.

CVE-2026-109618 and CVE-2026-109619, both CVSS 9.2, were fixed October 21; Amazon saw attempts from October 17.

Sophos found scanning and failed attempts, not a confirmed compromise; PHP fixed the flaws on October 21.

PHP fixed CVE-2026-109618 and CVE-2026-109619 on October 21; firms say attempts have not produced a confirmed breach.

Fixes are in PHP 8.2.35, 8.3.36, 8.4.27 and 8.5.12, while Censys still counts over 34.4 million vulnerable services.

Sophos revised an earlier alert: telemetry showed scans and failed attempts, not successful compromises of CVE-2026-109618 or CVE-2026-109619.

Sophos says the attempts failed, while SOCRadar found exploit tooling aimed at PHP 8.4.26.
Amazon and others report scans since October 17, while researchers say public PoCs fail on typical PHP setups.

Anthropic warns small AI models may soon self-replicate on vulnerable IoT devices, without showing a live worm.

US authorities seized China-linked Integrity Tech tools Microscan and FishHub used to hack critical infrastructure.

FBI seized seven domains powering Flax Typhoon's Microscan and FishHub tools, used against U.S. and Taiwanese critical infrastructure and universities.

The FBI seized seven domains for Microscan and FishHub tools used by China-linked Flax Typhoon contractor Integrity Technology Group.

DOJ and FBI seized Flax Typhoon tools Microscan and FishHub tied to China's Integrity Technology Group.

Attackers are exploiting CVE-2026-41940, a critical unauthenticated cPanel/WHM auth bypass, to compromise hosting servers and recruit them into Mirai botnets.

Attackers exploited critical cPanel CVE-2026-41940 on hosting servers, deploying Mirai variants and ransomware.
Researchers introduce Echo, a matching decompiler using trusted back-translation that roughly doubles exact-match rates and outperforms GPT-5.6 and Codex on Mirai.

Nozomi Networks identified KATARU, a new Mirai-style IoT botnet delivered via Telnet brute force that uses Linux privilege-escalation exploits and encrypted C2 for DDoS floods.

Nozomi details KATARU, an IoT botnet that brute-forces Telnet, exploits public Linux kernel flaws for root access, and launches multi-protocol DDoS attacks.

New Mirai botnet variant exploits nine vulnerabilities in SonicWall, D-Link, Netgear, and other devices, with attacks ongoing at publication.

Mirai-like botnet scans exploit TP-Link EOL router flaw CVE-2023-33538 after CISA KEV addition, though observed exploit code is flawed.

FortiGuard Labs disclosed Evooo1Bot, a Mirai-based Linux botnet active since July 2026 that hijacks routers and IoT devices for DDoS, credential theft, and SOCKS5 proxying.
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