Is phalcon/cphalcon vulnerable?

Composer phalcon/cphalcon has 3 known advisories in the phpwarden feed. Feed 2026.10.29.1, updated 2026-10-28.

3advisories

1critical

0on CISA KEV

0no fix recorded

CVE	Title	Severity	Affected	Fixed in
CVE-2026-59989	Phalcon Volt compiler `join` filter compile-time PHP code injection (SSTI leads to RCE)	critical	`<5.16.0`	`5.16.0`
CVE-2026-57584	Phalcon: Catastrophic backtracking (ReDoS) in the default Phalcon Router route lead to remote unauthenticated DoS	high	`<5.15.0`	`5.15.0`
CVE-2026-54736	Phalcon: Non-constant-time HMAC verification in `Encryption\Crypt::decrypt` (timing side-channel)	high	`<5.14.1`	`5.14.1`

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs How findings are ranked

A version is vulnerable when it falls inside an affected range and below the fixed version. phpwarden applies these ranges to the exact versions in your lockfile or install, so you only see what applies to you.