What’s Vulnerable › Vulnerabilities

CVE-2021-36564

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-12-06 · updated 2026-06-17
• Weakness: CWE-502

Description

ThinkPHP v6.0.8 was discovered to contain a deserialization vulnerability via the component vendor\league\flysystem-cached-adapter\src\Storage\Adapter.php.

Affected products

• ThinkPHP: 6.0.8

References

• https://github.com/top-think/framework/issues/2559
• https://github.com/top-think/framework/issues/2559

Get alerted when CVE-2021-36564 or the next vulnerability affects your stack