Tag: tuesday

A phishing campaign with QR codes rendered using an HTML table Phishing emails are bypassing filters by encoding QR codes as HTML tables. https://isc.sans.edu/diary/A%20phishing%20campaign%20with%20QR%20codes%20rendered%20using%20an%20HTML%20table/32606 n8n vulnerabilities In recent days, several new n8n vulnerabilities were disclosed. Ensure that you update any on-premises installations and carefully consider what to use n8n for. https://www.cyera.com/research-labs/ni8mare-unauthenticated-remote-code-execution-in-n8n-cve-2026-21858 https://github.com/n8n-io/n8n/security/advisories/GHSA-v4pr-fm98-w9pg Power bank feature […]

Risks of OOB Access via IP KVM Devices Recently, cheap IP KVMs have become popular. But their deployment needs to be secured. https://isc.sans.edu/diary/Risks%20of%20OOB%20Access%20via%20IP%20KVM%20Devices/32598 Tailsnitch Tailsnitch is a tool to review your Tailscale configuration for vulnerabilities https://github.com/Adversis/tailsnitch Net-SNMP snmptrapd vulnerability A new vulnerability in snmptrapd may lead to remote code execution https://github.com/net-snmp/net-snmp/security/advisories/GHSA-4389-rwqf-q9gq

Maybe a Little Bit More Interesting React2Shell Exploit Attackers are branching out to attack applications that initial exploits may have missed. The latest wave of attacks is going after less common endpoints and attempting to exploit applications that do not have Next.js exposed. https://isc.sans.edu/diary/Maybe%20a%20Little%20Bit%20More%20Interesting%20React2Shell%20Exploit/32578 UAT-9686 actively targets Cisco Secure Email Gateway and Secure Email and […]

More React2Shell Exploits CVE-2025-55182 Our honeypots continue to detect numerous React2Shell variants. Some using slightly modified exploits https://isc.sans.edu/diary/More%20React2Shell%20Exploits%20CVE-2025-55182/32572 The Fragile Lock: Novel Bypasses For SAML Authentication SAML is a tricky protocol to implement correctly, in particular if different XML parsers are used that may not always agree on how to parse a specific message https://portswigger.net/research/the-fragile-lock […]

Possible exploit variant for CVE-2024-9042 (Kubernetes OS Command Injection) We observed HTTP requests with our honeypot that may be indicative of a new version of an exploit against an older vulnerability. Help us figure out what is going on. https://isc.sans.edu/diary/Possible%20exploit%20variant%20for%20CVE-2024-9042%20%28Kubernetes%20OS%20Command%20Injection%29/32554 React2Shell: Technical Deep-Dive & In-the-Wild Exploitation of CVE-2025-55182 Wiz has a writeup with more background […]

nanoKVM Vulnerabilities The nanoKVM device updates firmware insecurely; however, the microphone that the authors of the advisory referred to as undocumented may actually be documented in the underlying hardware description. https://www.tomshardware.com/tech-industry/cyber-security/researcher-finds-undocumented-microphone-and-major-security-flaws-in-sipeed-nanokvm Ghostframe Phishing Kit The Ghostframe phishing kit uses iFrames and random subdomains to evade detection https://blog.barracuda.com/2025/12/04/threat-spotlight-ghostframe-phishing-kit WatchGuard Advisory WatchGuard released an update for its […]

Attempts to Bypass CDNs Our honeypots recently started receiving scans that included CDN specific headers. https://isc.sans.edu/diary/Attempts%20to%20Bypass%20CDNs/32532 React Vulnerability CVE-2025-55182 React patched a critical vulnerability in React server components. Exploitation is likely imminent. https://react.dev/blog/2025/12/03/critical-security-vulnerability-in-react-server-components Unveiling 3 PickleScan Vulnerabilities The PyTorch AI model security tool, PickleScan, has patched three critical vulnerabilities. https://jfrog.com/blog/unveiling-3-zero-day-vulnerabilities-in-picklescan/

Hunting for SharePoint In-Memory ToolShell Payloads A walk-through showing how to analyze ToolShell payloads, starting with acquiring packets all the way to decoding embedded PowerShell commands. https://isc.sans.edu/diary/%5BGuest%20Diary%5D%20Hunting%20for%20SharePoint%20In-Memory%20ToolShell%20Payloads/32524 Android Security Bulletin December 2025 Google fixed numerous vulnerabilities with its December Android update. Two of these vulnerabilities are already being exploited. https://source.android.com/docs/security/bulletin/2025-12-01 4.3 Million Browsers Infected: Inside […]

Conflicts between URL mapping and URL based access control. Mapping different URLs to the same script, and relying on URL based authentication at the same time, may lead to dangerous authentication and access control gaps. https://isc.sans.edu/diary/Conflicts%20between%20URL%20mapping%20and%20URL%20based%20access%20control./32518 Sha1-Hulud, The Second Coming A new, destructive variant of the Shai-Hulud worm is currently spreading through NPM/Github repos. https://www.koi.ai/incident/live-updates-sha1-hulud-the-second-coming-hundred-npm-packages-compromised […]

Unicode: It is more than funny domain names. Unicode can cause a number of issues due to odd features like variance selectors and text direction issues. https://isc.sans.edu/diary/Unicode%3A%20It%20is%20more%20than%20funny%20domain%20names./32472 FortiWeb Multiple OS command injection in API and CLI A second silently patched vulnerability in FortiWeb is already being exploited in the wild. https://fortiguard.fortinet.com/psirt/FG-IR-25-513 DLink DIR-878 Vulnerability DLink […]