Curated, de-identified advisories powered by Argos. What the threat is, who is exposed, and the actions that reduce your risk.
Amazon’s Threat Intelligence team on Wednesday said it detected an attempt to exploit the newly disclosed PHP2Shell vulnerabilities on October 17, 2026, against its MadPot honeypot service, as the flaws come under broad exploitation in the wild following the release of the patches.
Expect to see quite a few websites serving “404” or “Page Not Found” errors today: Nearly 70 percent of websites need to update their core software to fix a pair of vulnerabilities that allow an attacker to seize full control over affected servers. Experts say there are working exploits for the flaws, and that these critical bugs are already being exploited in the wild.
PHP.net announced that it will release a critical update today. We decided to change the infoCon to YELLOW due to the widespread use of PHP, the expected severity of the flaw (CVSS 9.4), and the availability of early PoC exploits ahead of the patch becoming available.
The iPhone of Vladan Đokić, rector of the University of Belgrade and a prominent supporter of Serbia’s student protest movement, was infected with NSO Group’s Pegasus spyware in 2026, the Citizen Lab said on October 19. The finding came six days before Serbia’s October 25 snap parliamentary election.
Overview On October 15, 2026, BeyondTrust disclosed a critical authentication bypass in Remote Support (RS) , its platform for remotely troubleshooting and administering endpoints. Tracked as CVE-2026-102764 and assigned a CVSSv4 score of 9.3 , the vulnerability allows unauthenticated remote attackers to perform file operations on an affected appliance without user interaction.
A vulnerability was determined in ztxz16 fastllm up to 0.1.8.2. This impacts the function GGUFBuffer::ReadString of the file third_party/gguf/gguf.cpp of the component String Parsing.
The China-nexus cyber espionage group tracked as Armory Castle (previously UNC5221 or Warp Panda) exploited a newly disclosed security flaw in BeyondTrust Remote Support (formerly Bomgar) as a zero-day in late August 2026.
BeyondTrust warned customers on Thursday to patch a critical flaw in its Remote Support (RS) that has been exploited in zero-day attacks since late August.
Cisco has patched another actively exploited zero-day flaw in its Secure Email Gateway (SEG) that lets remote unauthenticated attackers execute commands with root privileges.
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) urged security teams to immediately patch an Ivanti Connect Secure (ICS) flaw exploited in zero-day attacks since at least October 1st.
Microsoft on Tuesday shattered its own Patch Tuesday record by shipping patches for a whopping 1,413 vulnerabilities, including one that it said has come under active exploitation. These include 1,102 flaws in Windows, 134 in Office, 61 in Developer Tools, 36 in SharePoint Server, and 22 in SQL Server.
The scary surprises for the largest security update ever include security bypasses and unauthenticated RCEs.
