SANS Stormcast: Daily Cyber Security News

numbat - AI agent observability https://isc.sans.edu/diary/numbat%20-%20AI%20agent%20observability/33312 MicroTik SSH 0-Day Exploited https://mikrotik.com/supportsec/september-2026-vulnerability/ https://cert.pl/en/posts/2026/09/vulnerabilities-in-mikrotik-routeros-actively-exploited/ Adobe Commerce - Magento - 0-Day Exploited https://sansec.io/research/stylesmuggler-0day N-Able 4th Hotpatch https...

Nightmare Eclipse Discloses Several Anti-Malware Privilege Escalation Exploits https://github.com/MSNightmare Plex Update https://forums.plex.tv/t/important-security-update-for-plex-media-server-v1-43-2-and-earlier/942319 Cisco Update https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-iosxr-qg64NcM https://sec.cloudapps.cisco.com/security/center/conten...

Sonicwall SMA1000 Exploited Vulnerability Patched https://psirt.global.sonicwall.com/vuln-detail/SNWLID-2026-0016 SSRF: The Validator Can Lie https://xclow3n.com/post/the-validator-can-lie/ Git Hijack for AI Agents https://www.manifold.security/blog/ai-coding-agents-git-hijack Fronics Deploy Abuse https://www.huntress.com/blog/faronics-deploy-abuse My Upcoming Classes https://www.sans.org/profiles...

Guildma (Astaroth) malware infection from Brazilian Portuguese email https://isc.sans.edu/diary/Guildma%20%28Astaroth%29%20malware%20infection%20from%20Brazilian%20Portuguese%20email/33300 Authentication bypass in EOL Proxmox VE 7 release https://forum.proxmox.com/threads/proxmox-virtual-environment-security-advisories.149331/page-4#post-867929 https://gist.github.com/nebusecurity/65fe90dd673d395b...

The Coding-Agent Trap: When a "Free" LLM Endpoint Is the Adversary https://isc.sans.edu/diary/The%20Coding-Agent%20Trap%3A%20When%20a%20%22Free%22%20LLM%20Endpoint%20Is%20the%20Adversary/33298 PaperCut Public Exploit Available https://github.com/rapid7/metasploit-framework/pull/21842 TerminalFix Campaign; https://www.microsoft.com/en-us/security/blog/2026/08/28/terminalfix-campaign-deploys-reverse...

Some Malicious PE Stats https://isc.sans.edu/diary/Some%20Malicious%20PE%20Stats/33292 PaperCut Releases Two Preliminary Patches for Exploited Vulnerability https://www.papercut.com/kb/Main/security-bulletin-27-aug-2026-urgent-security-advisory/ DLink Vulnerabliities https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10513 Watchguard Patches https://psirt.watchguard.com My...

A polymorphic phishing page (that occasionally breaks itself) https://isc.sans.edu/diary/A%20polymorphic%20phishing%20page%20%28that%20occasionally%20breaks%20itself%29/33290 Chinese Implants in the Supply Chain https://www.vulncheck.com/blog/zbt-darklantern-speakingstone?_sp=1068fa46-3d91-427e-8120-aa6d8bda2912.1787865822277 Data Became Code: We Ran Code Inside Fortune 500s Using Files They Publi...

Who Has Admin Rights in your Entra ID Directory? https://isc.sans.edu/diary/Who%20Has%20Admin%20Rights%20in%20your%20Entra%20ID%20Directory%3F/33284 Ubiquity Unifi Patches https://community.ui.com/releases/Security-Advisory-Bulletin-067/fc4a3488-7c43-4628-8bab-f715e96dbfc9 Log4J FilteredObjectInputStream Vulnerability https://github.com/joanbono/log4j2-4255-exploit https://jeffmcjunkin.com/posts/l...

Obfuscating IP Addresses as Hostnames https://isc.sans.edu/diary/Obfuscating%20IP%20Addresses%20as%20Hostnames/33280 Microsoft Paint and Photos Embed Server-Issued GUIDs as Invisible Watermarks in Locally-Generated Images https://xusheng.dev/posts/reversing/mspaint_invisible_watermark/main/ FTP Banners The New Dead Drop Resolver Delivering Novel RATs https://socradar.io/blog/ftp-banners-new-dead-d...

DOUBLECUP's PNG Payload https://isc.sans.edu/diary/DOUBLECUP%27s%20PNG%20Payload/33274 AliExpress WebAudio fingerprinting https://blog.laserphile.com/2026/08/aliexpress-webpage-keeping-multipoint.html Expired DMARC Reporting Domain Exposed 86 Domains https://www.sh.consulting/blog/abandoned-dmarc-reporting-domain Android Car Malware https://securelist.com/android-head-unit-malware/121106/ My Upcom...

Who Got Missed in the MFA Rollout? More Powershell + Graph + Entra scripting! https://isc.sans.edu/diary/Who%20Got%20Missed%20in%20the%20MFA%20Rollout%3F%20More%20Powershell%20%2B%20Graph%20%2B%20Entra%20scripting!/33272 Even MOAR Powershell, looking at Entra logins - the good, the bad and the password sprays https://isc.sans.edu/diary/Even%20MOAR%20Powershell%2C%20looking%20at%20Entra%20logins%20...

Using Microsoft Graph and Powershell to Mine for Information - Stale Accounts and Licenses https://isc.sans.edu/diary/Using%20Microsoft%20Graph%20and%20Powershell%20to%20Mine%20for%20Information%20-%20Stale%20Accounts%20and%20Licenses/33264 Using Microsoft Graph and Powershell - Risk Detection Commands https://isc.sans.edu/diary/Using%20Microsoft%20Graph%20and%20Powershell%20-%20Risk%20Detection%2...

Simple Scans for Cloud Metadata Service https://isc.sans.edu/diary/Simple%20Scans%20for%20Cloud%20Metadata%20Service/33260 Oracle Critical Security Patch Update Advisory - August 2026 https://www.oracle.com/security-alerts/cspuaug2026.html NetScaler ADC and NetScaler Gateway Security Bulletin for CVE-2026-19489 and CVE-2026-19490 https://support.citrix.com/support-home/kbsearch/article?articleNumb...

CoSnitch: When Your AI Assistant Becomes Its Own Whistleblower https://www.varonis.com/blog/cosnitch GEEKOM confirms malware was hosted on its website https://videocardz.com/newz/geekom-apologizes-for-hosting-malware-in-driver-package-for-its-mini-pcs Medusa Ransomware Update https://www.cisa.gov/sites/default/files/2026-08/aa25-071a-stopransomware-medusa-ransomware-508c.pdf How Google is Making P...

Apple Patches or iOS and macOS https://isc.sans.edu/diary/Apple%20Patches%20iOS%20and%20macOS/33254 Screen Sharing Security https://isc.sans.edu/diary/Apple%20Screen%20Sharing%20Security/33252 Download More RAM: Dismantling Windows Operating System Defenses with Mischievous Memory https://www.usenix.org/system/files/usenixsecurity26-collins.pdf My Upcoming Classes https://www.sans.org/profiles/dr-...

macOS Screen Sharing Vulnerability Exploited https://advisories.ncsc.nl/2026/ncsc-2026-0280.html GeoServer Patch https://geoserver.org/announcements/vulnerability/2026/08/14/geoserver-3-0-1-released.html Recent SAP Commerce Cloud Vuln Exploited https://x.com/DefusedCyber/status/2088240809355153647 ChainDrop npm Worm https://medium.com/governed-at-the-source/the-chaindrop-npm-worm-august-2026-how-4...

Using Gemma4 with Ollama - Testing File Hash Analysis and Recommendations with AI https://isc.sans.edu/diary/Using%20Gemma4%20with%20Ollama%20-%20Testing%20File%20Hash%20Analysis%20and%20Recommendations%20with%20AI/33242 CPU Privilege Escalation https://github.com/xoreaxeaxeax/smiiiiiiiiiiiiiiii https://github.com/xoreaxeaxeax/skitter-creek-bath-salts GeoServer Vulnerability https://x.com/q1uf3ng/...

Linux Kernel Process Accounting https://isc.sans.edu/diary/Linux%20Kernel%20Process%20Accounting/33240 ShieldBreak - Windows Defender 0day vulnerability https://git.projectnightcrawler.dev/NightmareEclipse/ShieldBreak/src/branch/main Microsoft SharePoint JWT Token Authentication Bypass (CVE-2026-55040) https://www.rapid7.com/blog/post/ra-microsoft-sharepoint-jwt-token-authentication-bypass-cve-202...

Microsoft Patch Tuesday https://isc.sans.edu/diary/Microsoft%20Patch%20Tuesday%20August%202026/33236 Zoom Vulnerablities CVE-2026-53413, CVE-2026-53414, and CVE-2026-53415 https://a.security/blog/asecurity-zoomsday Mozilla Revokes GPG Key https://blog.mozilla.org/security/2026/08/10/updated-gpg-key-for-signing-firefox-and-thunderbird-releases/ Rogue Inflight Wifi https://www.bleepingcomputer.com/n...

Scans for Solana (Surfpool?) Endpoints https://isc.sans.edu/diary/Scans%20for%20Solana%20%28Surfpool%3F%29%20Endpoints/33230 Why AI-generated vulnerability patches still require expert human review https://1password.com/blog/why-ai-generated-patches-still-require-human-review?_sp=15ec2845-9e6c-4d15-8ac5-fe9bc1fe4c08.1786396502013 Gunra Ransomware https://www.cisa.gov/sites/default/files/2026-08/aa...

Linux Shell Forensic: Let s Dive Into Atuin! https://isc.sans.edu/diary/Linux+Shell+Forensic+Lets+Dive+Into+Atuin/33226 Apple Patches macOS Screen Sharing Vulnerability https://support.apple.com/en-us/148170 More N-Able N-Central Issues https://www.n-able.com/blog/n-central-security-update-august-6-2026 Metabase Unauthenticated SQL injection https://github.com/metabase/metabase/security/advisories...

22 Seconds to Compromise: How Automated SSH Actors Move From Login to Persistence Before You Can Blink [Guest Diary] https://isc.sans.edu/diary/22+Seconds+to+Compromise+How+Automated+SSH+Actors+Move+From+Login+to+Persistence+Before+You+Can+Blink+Guest+Diary/33220 Dell BIOS Passwords: Weak XOR Encryption Allows Recovery from SPI Flash (CVE-2026-40639) https://blog.amberwolf.com/blog/2026/july/dell-...

Don't Revoke That Token Yet: Inside the keyv/cacheable npm Worm https://isc.sans.edu/diary/Don%27t%20Revoke%20That%20Token%20Yet%3A%20Inside%20the%20keyv%20cacheable%20npm%20Worm/33218 IP and DNS Leaks in WebKit Affecting Proxy Browsers and Apple iCloud Private Relay https://mysk.blog/2026/08/04/webkit-proxy-icloud-private-relay-ip-leak/?ref=404media.co COLDCARD Issues https://x.com/threatinsight/...

Botnet Hunting for Vulnerabilities in Diagnostic Tools https://isc.sans.edu/diary/Botnet%20Hunting%20for%20Vulnerabilities%20in%20Diagnostic%20Tools/33214 Inside Greatness: Telegram-Distributed M365 AiTM PhaaS https://zerobec.com/blog/greatness-phaas-aitm-and-device-code-phishing A Deep Dive Into the Latest XCSSET Version https://unit42.paloaltonetworks.com/xcsset-v40-malware-analysis/ Strengtheni...

AUR packages adoption disabled https://lists.archlinux.org/archives/list/aur-general@lists.archlinux.org/thread/DRDEU3JUSC72CB265XHXPFA3DFSLXPBP/ Apple's iCloud File Sharing Left Ex-Employees With Access to Secret Documents https://www.macrumors.com/2026/08/03/apple-icloud-sharing-ex-employees/ Pass the Passkey: A Novel Attack Surface in Passwordless Authentication https://unit42.paloaltonetworks....