# phalcon/cphalcon (Packagist) vulnerabilities

3 known vulnerabilities (1 critical, 2 high), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://packagist.org/packages/phalcon/cphalcon

## Advisories (3)

### [CVE-2026-59989](https://cve.now/CVE-2026-59989): Phalcon Volt compiler \`join\` filter compile-time PHP code injection (SSTI lead to RCE)

- Severity: Critical 9.2
- Published: Aug 21, 2026
- Affected: fixed in 5.16.0.

### [CVE-2026-57584](https://cve.now/CVE-2026-57584): Phalcon: Catastrophic backtracking (ReDoS) in the default Phalcon Router route lead to remote unauthenticated DoS

- Severity: High 8.7
- Published: Jul 10, 2026
- Affected: fixed in 5.15.0.

### [CVE-2026-54736](https://cve.now/CVE-2026-54736): Phalcon: Non-constant-time HMAC verification in \`Encryption\\Crypt::decrypt\` (timing side-channel)

- Severity: High 8.2
- Published: Jul 10, 2026
- Affected: fixed in 5.14.1.

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