JFinal Java Deserialization Vulnerability

CRITICAL 9.8CVE-2021-31649 · GHSA-h3j8-fr5q-8rfr · Published 24/06/2021 · updated 17/06/2026

In short

CVE-2021-31649 is a CRITICAL (CVSS 9.8) vulnerability affecting com.jfinal:jfinal, jfinal (jfinal).
Chance of exploitation in the next 30 days (EPSS): 1.8%, higher than 78.7% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
com.jfinal:jfinal Maven	`≤ 4.9.08`	No fix yet
jfinal jfinal	`≤ 4.9.08`	No fix yet

In applications using jfinal 4.9.08 and below, there is a deserialization vulnerability when using redis which can lead to remote code execution

NVD description

In applications using jfinal 4.9.08 and below, there is a deserialization vulnerability when using redis,may be vulnerable to remote code execute

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Package

Affected versions

Patched versions

Maven

≤ 4.9.08

No fix yet

≤ 4.9.08

No fix yet

Description

In applications using jfinal 4.9.08 and below, there is a deserialization vulnerability when using redis which can lead to remote code execution

NVD description

In applications using jfinal 4.9.08 and below, there is a deserialization vulnerability when using redis,may be vulnerable to remote code execute

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