CVE-2024-44902 ThinkPHP deserialization vulnerability

Critical 9.8 Published 9 Sep 2024 Updated 5 Jul 2026

Attackers can execute arbitrary code via a deserialization flaw in the ThinkPHP framework, requiring immediate upgrades.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-44902?

CVE-2024-44902 is a critical unsafe deserialization vulnerability in n/a, published on 9 Sep 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A deserialization vulnerability in Thinkphp v6.1.3 to v8.0.4 allows attackers to execute arbitrary code.

Weakness: CWE-502

Which versions are affected by CVE-2024-44902?

2 open source packages ship an affected version, including topthink/framework. It affects 1 product.

Package	Affected	Fixed in
`topthink/framework` Packagist	From `6.1.3` to `8.0.4`	None
`topthink/framework` Packagist	From `6.1.3` to `8.0.4`	None

Products include Thinkphp Thinkphp.

How do I fix CVE-2024-44902?

No fix has been published for CVE-2024-44902 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2024-44902 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-44902 exists.

Public exploit code: 2 proofs of concept on GitHub.

Sources

Also known as GHSA-f4wh-359g-4pq7.