CVE-2026-57584: Phalcon: Catastrophic backtracking (ReDoS) in the default Phalcon Router route lead to remote unauthenticated DoS

high Affects phalcon/cphalcon. Feed 2026.10.29.4, updated 2026-10-29; published .

Phalcon: Catastrophic backtracking (ReDoS) in the default Phalcon Router route lead to remote unauthenticated DoS

Package
phalcon/cphalcon Composer
Affected versions
<5.15.0
Fixed in
5.15.0
Severity
high
Exploitation
not on CISA KEV · EPSS 1% (44.9th percentile)
Published
2026-08-28
Source
osv.dev

References

CWE-1333
NVD recordphalcon/cphalcon advisories

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.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
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