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Cyber Security

Vulnerabilities, threats and incidents, security advisories from CERT-EU, ENISA, CISA and NCSC, AI security and regulation (NIS2, CRA).

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“AWS” — 4 articles ✕

Cyber Security· Important

AWS releases WAF rules to buy time against two critical unauthenticated PHP RCE bugs

On October 21, 2026, PHP maintainers pushed out urgent patches for two critical flaws, nicknamed PHP2Shell together, that let an attacker run code on a server without logging in. Both carry a CVSS v4.0 score of 9.2 and sit in how PHP processes multipart file-upload requests before application code even runs. Patched versions are PHP 8.5.12, 8.4.27, 8.3.36 and 8.2.35, and AWS has since published AWS WAFv2 rule templates plus host-level settings that shrink the attack surface for teams that need time to roll out the upgrade. AWS is clear that the firewall rules only help at the edge — they cannot fully close one of the two bugs, so patching remains mandatory.

AWS Security
BreakingCyber Security

AWS Honeypot Data Shows PHP Flaw Was Hit by Attackers Before Public Patch

Amazon's MadPot honeypot network recorded an exploitation attempt against what is now tracked as CVE-2026-109618 and CVE-2026-109619 — nicknamed PHP2Shell — on October 17, 2026, four days before the vendor publicly disclosed the flaw. The request came from a commercial anonymization network, suggesting a threat actor had working exploit code ahead of the official embargo lift. When the embargo ended on October 21 at 1400 UTC, AWS says proof-of-concept code and real attack traffic hit its sensors within hours, from several distinct sets of infrastructure. AWS argues this points to a structural shift: AI-assisted analysis is making it faster to turn a patch or advisory into a working exploit, shrinking the old assumption that most attacks follow a public PoC.

AWS Security
Cyber Security· Important

Six Flaws Confirmed Under Active Attack, Now on CISA's Mandatory Patch List

CISA has confirmed real-world exploitation of six vulnerabilities and placed them on its Known Exploited Vulnerabilities Catalog. Four of the six hit Plex Media Server, covering two SSRF bugs, a URI-scheme handling flaw and a file-path control issue; the remaining two are an OS command injection in EG Secure Solutions SiteGuard Server Edition and an uncontrolled search path flaw in Siemens Software Center. Because the flaws are already being exploited, Binding Operational Directive 26-04 forces federal civilian agencies to fast-track fixes on any exposed system that could hand attackers full control, and to check for prior compromise first.

CISA Advisories
Cyber Security· Important

CISA and partners warn of active SafePay ransomware campaign exploiting edge-device flaws

A joint advisory from the FBI, CISA, USSS and European law-enforcement agencies details the SafePay ransomware group, active since August 2024 and responsible for at least 600 attacks across North America, South America, Europe and Australia. SafePay gains access via stolen/brute-forced credentials, phishing, and exploitation of known VPN and edge-device vulnerabilities, then uses legitimate admin tools to move laterally, disable defenses, exfiltrate data and encrypt files with a ChaCha20/RSA hybrid scheme before demanding ransom.

CISA Advisories