CyberSecBulletin

Phalcon vulnerabilities

We track 3 vulnerabilities in Phalcon products. 3 are rated high or critical, and none are known to be exploited. The most recent was published on August 21, 2026.

3vulnerabilities
1critical
2high
0exploited
8.7average CVSS score

Latest Phalcon vulnerabilities

  • 9.2 Critical severity

    cphalcon: Improper Control of Generation of Code

    CVE-2026-59989Phalcon

    Phalcon is a high-performance, full-stack PHP framework. In 5.15.0 and earlier, resolveFilter in phalcon/Mvc/View/Engine/Volt/Compiler.zep builds the join filter by inserting the raw separator and array token values into generated PHP without passing them thro

  • 8.7 High severity

    cphalcon: Inefficient Regular Expression Complexity

    CVE-2026-57584Phalcon

    Phalcon is a high-performance, full-stack PHP framework. Prior to 5.15.0, every Phalcon MVC application built with a default router registers a built-in route whose compiled PCRE pattern contains the nested quantifier (/.), and the same construct is produced b

  • 8.2 High severity

    cphalcon: Observable Timing Discrepancy

    CVE-2026-54736Phalcon

    Phalcon is a high-performance, full-stack PHP framework. Prior to 5.14.1, Phalcon\Encryption\Crypt::decrypt compares the attacker-supplied HMAC tag against the freshly computed HMAC using PHP/Zephir identity comparison, which lowers to a byte-wise comparison t