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DFKI: Browser-Erweiterung anonymisiert KI-Prompts direkt in Chrome 30. Mai 2026
Schluss mit Datenlecks im KI-Chat: Das DFKI bringt eine Chrome-Erweiterung, die sensible Inhalte unkenntlich macht, bevor sie in Chatbots landen. (KI, Browser)
Prompt-Injection: Entwickler lässt KI-Agenten fremde Projekte sabotieren 29. Mai 2026
Eine Prompt Injection in einem Open-Source-Projekt soll Vibe Coder vorsätzlich schädigen. Der Entwickler erntet dafür reichlich Kritik. (KI, Malware)
Zero-Day-Drama spitzt sich zu: Microsoft droht Chaotic Eclipse mit Strafverfolgung 29. Mai 2026
Auf die von Chaotic Eclipse geleakten Windows-Exploits reagiert Microsoft mit einer Drohung. Doch die stößt auf jede Menge Widerstand. (Microsoft, Windows)
Anzeige: Microsoft 365 Security in der Praxis absichern 29. Mai 2026
Microsoft 365 Security wird zur Daueraufgabe, wenn Identitäten, Endpoints und Daten in der Cloud geschützt werden müssen. Ein Online-Workshop vermittelt Vorgehen und Konfigurationen für den Betrieb. (Golem Karrierewelt, Verschlüsselung)
Kein Patch für Gogs: Tausende self-hosted Git-Server sind angreifbar 29. Mai 2026
Eine kritische Sicherheitslücke lässt Angreifer Gogs-Server per Pull-Request vollständig kompromittieren. Einen Patch gibt es bisher nicht. (Sicherheitslücke, Server)
Cybersicherheit: Eco lässt Dobrindts Hackback-Definition nicht gelten 28. Mai 2026
Der IT-Verband Eco warnt vor den Angriffsbefugnissen der Sicherheitsbehörden. Von den Hackbacks seien häufig geschädigte Dritte betroffen. (Security, Alexander Dobrindt)
Seitenkanalangriff im Browser: App-Spionage durch Messung von SSD-Zugriffszeiten 28. Mai 2026
Forscher haben einen Weg gefunden, durch die Auswertung von SSD-Zugriffszeiten unbemerkt von Website-Besuchern ausgeführte Apps zu ermitteln. (Sicherheitslücke, Speichermedien)

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.
2025-040: Critical Vulnerability in Windows Server Update Service (WSUS) 24. Oktober 2025
On October 23, 2025, Microsoft released an out-of-band update to address a critical vulnerability in Windows Server Update Service (WSUS). This vulnerability could allow a remote unauthenticated attacker to execute code on the targeted systems. A proof-of-concept is publicly available for this vulnerability. It is recommended to update as soon as possible.
2025-039: High Severity Vulnerability in FortiOS 15. Oktober 2025
On October 14, 2025, Fortinet released a security advisory addressing a high severity vulnerability in its FortiOS product. It is recommended updating affected products.