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Claude Mythos und Co.: BSI warnt vor wachsender Cyberbedrohung durch KI 23. Juni 2026
IT-Admins haben wegen KI immer weniger Zeit, um auf neue Cyberbedrohungen zu reagieren. Das BSI schlägt Alarm und gibt schützende Empfehlungen. (KI, Sicherheitslücke)
Pixelsmash: Lücke in FFmpeg-Decoder gefährdet unzählige Systeme 23. Juni 2026
Mit einer nur 50 KByte großen Videodatei können Angreifer Server- und Desktop-Anwendungen zum Absturz bringen oder gar Schadcode einschleusen. (Sicherheitslücke, Film)
KI: Anthropics Mythos hat wohl NSA-Systeme in Stunden geknackt 23. Juni 2026
Auslöser für das Vorgehen gegen das KI-Modell Mythos von Anthropic ist offenbar ein Test bei der NSA gewesen. Deren Sicherheitssysteme soll die KI wohl mühelos überwunden haben. (Mythos, KI)
Betriebssystem: Fractal OS vereinfacht Suche nach Hardware-Sicherheitslücken 22. Juni 2026
Betriebssysteme stören die Suche nach Hardware-Sicherheitslücken. Ein Forscher schrieb deshalb ein eigenes Betriebssystem mit ungewohnten Features. (Betriebssysteme, Sicherheitslücke)
Github als Malware-Schleuder: Trojaner über 10.000 Github-Repos verbreitet 22. Juni 2026
Angreifer kopieren auf Github ständig bestehende Code-Repos und schleusen dort Trojaner ein. Die Plattform scheint bisher wenig dagegen zu unternehmen. (Security, API)
(g+) Automation-Plattform n8n: n8n als Generalschlüssel im Netz 22. Juni 2026
Zwei kritische Lücken öffnen selbst gehostete n8n-Server. n8n hält die Schlüssel zu vielen Systemen. Was die Lücken erlauben und wie Admins den Angriff erkennen. (Sicherheitslücke, Server)
(g+) J.A.R.V.I.S. für jeden: Wo bleibt unser persönlicher KI-Assistent? 22. Juni 2026
Versprochen wird bei KI immer viel. Wir erklären, warum der KI-Agent für die Hosentasche immer noch weit entfernt ist. (KI, Sicherheitslücke)

2026-008: Critical vulnerabilities in Ivanti Sentry 10. Juni 2026
On 9 June 2026, Ivanti released a security advisory addressing two critical vulnerabilities in their Sentry products[1]. An attacker could exploit those flaws to achieve unauthenticated remote code execution on the vulnerable device.
2026-007: Critical Vulnerability in Windows Netlogon 10. Juni 2026
On 12 May 2026, Microsoft published a security advisory addressing a critical vulnerability affecting Windows Server when acting as a domain controller. This vulnerability allows an unauthenticated attacker to execute arbitrary code over a network. According to The Centre for Cybersecurity Belgium (CCB), this vulnerability is currently exploited by threat actors. It is strongly recommended […]
2026-006: Critical Vulnerability in PAN-OS 6. Mai 2026
On 6 May 2026, Palo Alto published a security advisory addressing a critical vulnerability affecting PAN-OS. This vulnerability allows an unauthenticated attacker to execute arbitrary code with root privileges. Palo Alto observed limited exploitation of this vulnerability. It is strongly recommended updating affected appliances as soon as patches will be available, and to apply workarounds […]
2026-005: High Vulnerability in the Linux Kernel ("Copy Fail") 30. April 2026
On 29 April 2026, a high local privilege escalation vulnerability in the Linux kernel, tracked as CVE-2026-31431 and named "Copy Fail", was publicly disclosed. The vulnerability affects every mainstream Linux distributions shipping a kernel built since 2017. A public proof-of-concept exploit has been released. As of the date of this advisory, no distribution has shipped […]
2026-004: Critical Vulnerability in SharePoint Exploited 25. März 2026
On 17 March 2026, Microsoft updated one of its January 2026 security advisories related to a remote code execution vulnerability in Microsoft SharePoint. Specifically, Microsoft raised the CVSS score and changed the FAQ section to indicate that the vulnerability could be exploited by an unauthenticated attacker. This vulnerability was added in the CISA's Known Exploited […]
2026-003: Multiple Vulnerabilities in Citrix NetScaler and Citrix ADC 23. März 2026
On 23 March 2026, Citrix published a security advisory addressing multiple vulnerabilities affecting NetScaler ADC and NetScaler Gateway. These vulnerabilities may lead to sensitive information disclosure and user session mix-up under specific configurations. At the time of writing, there is no public evidence of active exploitation. It is strongly recommended updating affected gateways, prioritising internet-facing […]
2026-002: Multiple Vulnerabilities in Cisco Products 26. Februar 2026
On 25 February 2026, Cisco released security advisories addressing multiple high and critical severity vulnerabilities in Cisco Catalyst SD-WAN controllers and Cisco SD-WAN Manager. If exploited, these vulnerabilities could allow attackers to gain administrative access to compromised systems. It is recommended to capture forensic evidence, hunt for indicators of compromise, and apply updates as soon […]
2026-001: Critical vulnerabilities in Ivanti EPMM 30. Januar 2026
On 29 January 2026, Ivanti released a security advisory addressing two critical vulnerabilities in their EPMM products. An attacker could exploit those flaws to achieve unauthenticated remote code execution on the vulnerable device. One of these vulnerabilities have been exploited in a limited number of cases.
2025-042: Critical Vulnerability in Cisco Secure Email and Web Manager 18. Dezember 2025
On December 17, 2025, Cisco released a security advisory for a critical vulnerability affecting Cisco Secure Email Gateway and Cisco Secure Email and Web Manager products. It is recommended to follow Cisco's recommendations to check whether vulnerable appliances have been compromised, and to remediate the issue. There is no patch available for this vulnerability yet.
2025-041: Critical Security Vulnerability in React Server Components 4. Dezember 2025
On December 3, 2025, the React Team publicly disclosed a critical security vulnerability affecting React Server Components (RSC) and related packages. The vulnerability allows for unauthenticated remote code execution (RCE) via maliciously crafted HTTP requests. It is recommended to update all affected component packages and any frameworks that integrate them.