SECURITY ADVISORY
PHP2Shell
Node.js
eMudhra
WHY TOGETHER
1
PHP2Shell
A flaw in the runtime
2
Node.js
A Brotli decoder bug
3
eMudhra emSign
A trust failure
PHP2SHELL
CVE-2026-109618 and CVE-2026-109619. Internet-facing systems go first.
NODE.JS
CVE-2026-111497. Upgrade to 22.23.4, 24.22.1 or 26.12.1 and restart every process.
EMUDHRA
Apps with their own trust stores (certifi, pip, Java keystores) still need updating.
DAY 1
1
Every PHP & Node.js host
2
Every public certificate
3
Every embedded trust store
4
An owner and date for each
DAY 2
1
Update PHP
2
Upgrade Node.js, restart
3
Refresh CA certs, certifi, pip
4
Rebuild container images
DAY 3
1
Versions in production
2
TLS still works
3
No shells or new cron jobs
4
Every change recorded
READ MORE
Including where these risks usually hide.