Actively Exploited

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CISA、攻撃に悪用されるGitLabの5年前の欠陥を警告

米サイバーセキュリティ・インフラセキュリティ庁(CISA)は、攻撃で活発に悪用されている5年前のGitLabの脆弱性に対し、政府機関にシステムにパッチを当てるよう命じた。 GitLabは2021年12月にこのサーバーサイドリクエストフォージ...
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WinRARの欠陥を悪用する新たなサイバー攻撃グループ「Amaranth Dragon

APT41 と呼ばれる新たな脅威アクターは、国家に支援された中国の作戦に関連しており、政府機関や法執行機関へのスパイ攻撃において、WinRAR の CVE-2025-8088 脆弱性を悪用しました。 このハッカーは、正規のツールとカスタムの...
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CISA flags critical SolarWinds RCE flaw as exploited in attacks

CISA has flagged a critical SolarWinds Web Help Desk vulnerability as actively exploited in attacks and ordered federal ...
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Hackers exploit critical React Native Metro bug to breach dev systems

Hackers are targeting developers by exploiting the critical vulnerability CVE-2025-11953 in the Metro server for React N...
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Russian hackers exploit recently patched Microsoft Office bug in attacks

Ukraine’s Computer Emergency Response Team (CERT) says that Russian hackers are exploiting CVE-2026-21509, a recently pa...
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Ivanti warns of two EPMM flaws exploited in zero-day attacks

Ivanti has disclosed two critical vulnerabilities in Ivanti Endpoint Manager Mobile (EPMM), tracked as CVE-2026-1281 and...
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Fortinet blocks exploited FortiCloud SSO zero day until patch is ready

Fortinet has confirmed a new, actively exploited critical FortiCloud single sign-on (SSO) authentication bypass vulnerab...
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WinRAR path traversal flaw still exploited by numerous hackers

Multiple threat actors, both state-sponsored and financially motivated, are exploiting the CVE-2025-8088 high-severity v...
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Over 6,000 SmarterMail servers exposed to automated hijacking attacks

Nonprofit security organization Shadowserver has found over 6,000 SmarterMail servers exposed online and likely vulnerab...
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Nearly 800,000 Telnet servers exposed to remote attacks

Internet security watchdog Shadowserver tracks nearly 800,000 IP addresses with Telnet fingerprints amid ongoing attacks...