- Published
- Source
- AWS Security Blog
- Reported by
- 12 publishers
- Filed under
- Cloud, Malware & exploits
- Vulnerabilities
- 2 CVEs
On October 21, 2026, the PHP project released emergency fixes for two critical remote code execution (RCE) vulnerabilities in the PHP core runtime, tracked as CVE-2026-109618 and CVE-2026-109619 and collectively named PHP2Shell. Both are rated 9.2 (Critical) under CVSS v4.0, and both allow an unauthenticated attacker to run code on a vulnerable server. The fixed…
Cloud checks worth doing
- Know every account and subscription you run – the forgotten ones are where exposures hide.
- Nothing public by default: storage, keys and admin consoles closed to the internet, and code scanned for secrets.
- Turn on the provider's audit logs, and alert on new access keys, policy changes and anything made public.
Also reported by 6 more publishers
The vulnerabilities in this story
CVE-2026-109618 in the NVD (opens in a new tab)
- CVSS9.8Critical
- CISA KEVNot listedno confirmed exploitation on CISA’s list (yet)
CVE-2026-109619 in the NVD (opens in a new tab)
- CVSS9.8Critical
- CISA KEVNot listedno confirmed exploitation on CISA’s list (yet)
Exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog (CC0). Exploit prediction: EPSS by FIRST. This product uses the NVD API but is not endorsed or certified by the NVD.
Defender’s notebook
The attacker technique behind this story, in MITRE’s terms – and what to check in your own estate.
Exploit Public-Facing Application
Initial AccessWhat a defender checks
- Find every internet-facing instance of the affected product.
- Patch, or apply the vendor's mitigation now – CISA's KEV list gives a deadline.
- Look for signs it was exploited before you patched: web shells, new accounts, odd outbound traffic.
Build the skillBlue Team Analyst · Vulnerability Management
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