Tag: authentication
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LiteLLM Vulnerability Allows Attackers to Execute Arbitrary Commands on Servers
Tags: ai, authentication, control, cve, cyber, data-breach, infrastructure, remote-code-execution, risk, vulnerabilityA critical vulnerability chain affecting LiteLLM has been identified, enabling unauthenticated remote code execution (RCE) on exposed servers. Tracked as CVE-2026-42271 and chained to CVE-2026-48710, the issue allows attackers to bypass authentication controls and execute arbitrary system commands, posing a severe risk to AI infrastructure that relies on LiteLLM deployments. LiteLLM Vulnerability CVE-2026-42271 is a…
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Ghost-Sender Flaw Exposes Exchange Online Users to Sender Spoofing Attacks
A newly disclosed “Ghost-Sender” flaw is exposing Microsoft Exchange Online environments to large-scale email spoofing attacks, allowing threat actors to bypass standard email authentication controls and deliver forged messages directly to users’ inboxes. The issue, identified by security researchers Lucas Dodgson, Tobias Oberdörfer, and Robin Hilber, stems from misconfigurations in hybrid or cloud email deployments…
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Check Point VPN Zero-Day Under Active Exploitation by Ransomware Operators
Tags: access, authentication, credentials, cve, cvss, cyber, exploit, flaw, mobile, ransomware, vpn, vulnerability, zero-dayCheck Point has disclosed active in-the-wild exploitation of a critical authentication bypass vulnerability, tracked as CVE-2026-50751, impacting Remote Access VPN and Mobile Access deployments configured with the deprecated IKEv1 key exchange protocol. The flaw, assigned a CVSS score of 9.3, allows unauthenticated attackers to establish VPN sessions without valid credentials by exploiting a logic flaw…
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Critical UniFi OS bug lets hackers gain root without authentication
Attackers can chain three already fixed vulnerabilities in the Ubiquiti UniFi OS server to execute remote code with root privileges and without authentication. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/critical-unifi-os-bug-lets-hackers-gain-root-without-authentication/
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Qilin ransomware affiliate exploited Check Point VPN zero-day (CVE-2026-50751)
A Qilin ransomware affiliate is believed to be exploiting CVE-2026-50751, an authentication bypass vulnerability in Check Point VPN Remote Access and Mobile Access, the … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/06/08/check-point-cve-2026-50751-qilin-ransomware/
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Critical UniFi OS RCE Chain Grants Root Access Without Credentials
Tags: access, advisory, authentication, credentials, cyber, flaw, injection, rce, remote-code-execution, update, vulnerabilitySecurity Advisory Bulletin 064 describing a critical chain of vulnerabilities in UniFi OS Server that allows unauthenticated remote code execution and full root takeover. The issue combines an authentication-gateway bypass, a path-traversal mismatch, and a command-injection sink in the package-update service. When chained, these flaws let an attacker send a single crafted HTTP request to…
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Hackers Exploit Claude Code MCP Traffic to Hijack OAuth Authentication Tokens
Threat researchers have uncovered a novel man-in-the-middle (MitM) attack chain targeting Anthropic’s Claude Code ecosystem, where adversaries hijack Model Context Protocol (MCP) traffic to steal OAuth authentication tokens and persist access to enterprise SaaS platforms. The technique, detailed by Mitiga, abuses weak protections around the local Claude Code configuration file (~/.claude.json), effectively turning it into…
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CVE-2026-20223 mit CVSS 10.0 in Cisco Secure Workload – Fehlende API-Authentifizierung gibt Angreifern Site-Admin-Rechte
First seen on security-insider.de Jump to article: www.security-insider.de/cve-2026-20223-cisco-secure-workload-cvss-10-api-site-admin-a-a6ef0186275a7d18e93bdd54e92ba67a/
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New Pink Extortion Group Targets Microsoft 365 Cloud Data Via Vishing Scams
Cybersecurity researchers are warning businesses about Pink Extortion Group, a threat actor that uses voice phishing to bypass multi-factor authentication and steal files from cloud environments. First seen on hackread.com Jump to article: hackread.com/pink-extortion-microsoft-365-cloud-data-vishing-scams/
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Let’s Encrypt works toward post-quantum certificates at web scale
Tags: authenticationLet’s Encrypt plans to pursue a post-quantum-safe Web PKI through Merkle Tree Certificates (MTCs), a new approach that adds post-quantum authentication to the web without … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/06/05/lets-encrypt-mcts-web-post-quantum-authentication/
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CISA Issues Alert on Actively Exploited Linux Kernel Security Flaw
Tags: authentication, cisa, cve, cyber, cybersecurity, exploit, flaw, infrastructure, linux, vulnerabilityThe U.S. Cybersecurity and Infrastructure Security Agency (CISA) has issued a fresh alert warning organizations about the active exploitation of a Linux kernel vulnerability tracked as CVE-2022-0492. The flaw, categorized as an improper authentication issue, affects Linux systems using the cgroups v1 release_agent feature and can allow attackers to escalate privileges within compromised environments. Linux…
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Critical Cisco Unified CM Bug Patched as Public Exploit Code Emerges
Cisco patched a critical Unified CM flaw with public PoC code that allows unauthenticated attackers to launch SSRF attacks remotely. Cisco has addressed a high-severity vulnerability, tracked as CVE-2026-20230, affecting Unified CM and Unified CM SME. The flaw, caused by improper validation of certain HTTP requests, allows a remote attacker without authentication to perform server-side…
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Coding Gaffe Exposes Microsoft 365 Accounts to Widespread Takeover
A disabled security setting meant to protect authentication across Android versions of key apps like Word, PowerPoint, and Excel paved the way for attackers to steal logins and data. First seen on darkreading.com Jump to article: www.darkreading.com/application-security/coding-gaffe-exposes-microsoft-365-accounts-takeover
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Quantensicherheit Passkeys sind gut. Vor allem aber hilft eine dynamische, kontextbasierte und souveräne Authentifizierung
Wir sind im Quantum-Zeitalter angekommen. Das belegt nicht nur die intensive öffentliche Diskussion über Passwortsicherheit, sondern auch die Tatsache, dass 80 Prozent aller Datenpannen, laut Verizon-DBIR 2025 auf gestohlene oder schwache Passwörter zurückzuführen sind. Die Diskussion allein ist aber nicht genug. Unternehmen müssen handeln und ihre Systeme mit sicheren Zugangsmechanismen, wie Single-Sign-On, sowie einer proaktiven,…
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VS Code zero-day lets hackers steal GitHub tokens in one click
A security researcher has released exploit code for a Visual Studio Code (VS Code) zero-day vulnerability that allows attackers to steal GitHub authentication tokens by tricking users into clicking a link. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/vs-code-zero-day-lets-hackers-steal-github-tokens-in-one-click/
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PAN-OS authentication bypass bug added to list of exploited vulnerabilities
First seen on scworld.com Jump to article: www.scworld.com/news/pan-os-authentication-bypass-bug-added-to-list-of-exploited-vulnerabilities
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Kali365 imitiert vermehrt Unternehmen wie Microsoft und Okta
Steven Campbell, Staff Threat Intelligence Researcher bei Arctic Wolf, ordnete kürzlich die FBI-Warnung vor ‘Kali365″, eine Kampagne, die sich mittlerweile vom Phishing-Kit zu einer umfassenderen Phishing-as-a-Service-Plattform entwickelt hat, und aktuelle Entwicklungen rund um moderne Phishing-Angriffe ein. Kali365 war zunächst dadurch aufgefallen, dass sie den OAuth-Device-Authorization-Flow von Microsoft ausnutzte, um Authentifizierungs-Tokens zu stehlen und Multi-Faktor-Authentifizierung zu…
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Meta’s AI Bot Misused by Hackers to Take Over Instagram Accounts
Attackers have exploited a critical vulnerability in Meta’s AI-powered Instagram support chatbot to hijack user accounts without needing passwords, phishing, or malware. Instead of bypassing security through technical exploits, hackers simply manipulated the chatbot via natural-language requests. Meta’s AI Bot Misused by Hackers The flaw allowed attackers to bypass two-factor authentication (2FA) effectively. By interacting…
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Dashlane Discloses Brute-Force Attack, Encrypted Vaults of Fewer Than 20 Users Downloaded
Password manager Dashlane has disclosed that “fewer than” 20 users on the personal subscription plan had their encrypted vaults downloaded following a brute-force attack launched by an unknown party.On May 31, 2026, the company said an “external” threat actor launched a brute-force attack against certain Dashlane user accounts with the aim of breaking two-factor authentication…
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Brute-force attack triggers Dashlane account lockouts
Password manager Dashlane has confirmed that a brute-force attack targeting user accounts triggered temporary account suspensions and authentication issues. The company first … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/06/01/dashlane-brute-force-attack-user-accounts/
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Microsoft fixes outage affecting MFA setup, MySignIn service
Microsoft is working to address an ongoing incident preventing customers from setting up multi-factor authentication (MFA) or accessing the My Sign-Ins platform. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/microsoft-fixes-outage-affecting-mfa-setup-mysignin-service/
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Microsoft confirms outage affecting MFA, My Sign-Ins platform
Microsoft is working to address an ongoing incident preventing customers from setting up multi-factor authentication (MFA) or accessing the My Sign-Ins platform. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/microsoft/microsoft-confirms-outage-affecting-mfa-my-sign-ins-platform/
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Cyberkriminelle nutzen die Phishing-Plattform Kali365, um legitime Microsoft-365-Verfahren für einen Zugriff ohne Passwörter
Das FBI warnt aktuell vor Kali365, einer seit April 2026 aktiven Phishing-as-a-Service-Plattform, die gezielt Microsoft-365-Umgebungen ins Visier nimmt. Hierbei werden keine Zugangsdaten gestohlen, sondern OAuth-Tokens gekapert, wodurch selbst eine Multifaktor-Authentifizierung (MFA) umgangen wird. Die Plattform bietet zudem KI-generierte Phishing-Vorlagen, automatisierte Kampagnen-Tools und Echtzeit-Tracking-Dashboards und wird über Telegram als Abonnementmodell vertrieben. Der Angriff läuft dabei in…
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OpenAI Codex Authentication Tokens Stolen in codexui-android npm Supply Chain Attack
Tags: android, attack, authentication, breach, cybersecurity, github, malicious, openai, supply-chain, toolCybersecurity researchers have disclosed details of a new malicious supply chain campaign that’s targeting developers using OpenAI Codex through a legitimate-looking remote web UI.The tool, named codexui-android, is advertised on GitHub and npm as a remote web UI for OpenAI Codex, attracting over 29,000 weekly downloads. The package is still available for download from the…
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Hackers are exploiting Palo Alto GlobalProtect VPN authentication bypass (CVE-2026-0257)
Authentication bypass vulnerabilities (CVE-2026-0257) in Palo Alto Networks’ firewalls that the company disclosed on May 13 have been targeted in >>limited exploit … First seen on helpnetsecurity.com Jump to article: www.helpnetsecurity.com/2026/06/01/hackers-are-exploiting-palo-alto-globalprotect-vpn-authentication-bypass-cve-2026-0257/
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Palo Alto GlobalProtect VPN auth bypass flaw now exploited in attacks
Palo Alto Networks is warning that hackers are now exploiting a PAN-OS GlobalProtect authentication bypass flaw, tracked as CVE-2026-0257, in attacks attempting to breach corporate networks. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/palo-alto-globalprotect-vpn-auth-bypass-flaw-now-exploited-in-attacks/
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New CIFSwitch Linux flaw gives root on multiple distributions
A newly discovered local privilege escalation vulnerability dubbed ‘CIFSwitch’ in the Linux kernel could allow attackers to forge CIFS authentication key descriptions, abuse the kernel’s key request mechanism, and gain root privileges. First seen on bleepingcomputer.com Jump to article: www.bleepingcomputer.com/news/security/new-cifswitch-linux-flaw-gives-root-on-multiple-distributions/
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FBI warns about PhaaS platform used to access Microsoft 365 environments
Device code phishing enabled hackers to bypass multifactor authentication without credentials. First seen on cybersecuritydive.com Jump to article: www.cybersecuritydive.com/news/fbi-warns-phishing-platform-microsoft-365/821105/