CVE-2021-36564: Deserialization of Untrusted Data in topthink/framework

critical Affects topthink/framework. Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

Deserialization of Untrusted Data in topthink/framework

Package
topthink/framework Composer
Affected versions
<6.0.9
Fixed in
6.0.9
Severity
critical  CVSS 9.8
Exploitation
not on CISA KEV · EPSS 2% (79.8th percentile)
Published
2021-12-10
Source
osv.dev

References

CWE-502
NVD recordtopthink/framework 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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