Deserialization of Untrusted Data in topthink/framework

CRITICAL 9.8CVE-2021-36567 · GHSA-qrvj-274h-hfcg · Published 06/12/2021 · updated 17/06/2026

In short

CVE-2021-36567 is a CRITICAL (CVSS 9.8) vulnerability affecting topthink/framework, thinkphp (thinkphp).
Chance of exploitation in the next 30 days (EPSS): 2.5%, higher than 84.6% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
topthink/framework Packagist	`≤ 6.0.8`	No fix yet
thinkphp thinkphp	`= 6.0.8`	No fix yet

ThinkPHP v6.0.8 was discovered to contain a deserialization vulnerability via the component League\Flysystem\Cached\Storage\AbstractCache.

NVD description

ThinkPHP v6.0.8 was discovered to contain a deserialization vulnerability via the component League\Flysystem\Cached\Storage\AbstractCache.

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Package

Affected versions

Patched versions

Packagist

≤ 6.0.8

No fix yet

= 6.0.8

No fix yet

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