CVE-2022-44262Public exploitNetwork attack vector

Remote code execution via unrestricted class instantiation

Published Dec 1, 2022 · Updated Apr 29, 2025

Code injection in ff4j 1.8.1 through 1.8.13 allows remote attackers to execute code via a crafted property type. PropertyFactory.createProperty resolves the supplied type with Class.forName and invokes its String constructor without requiring the class to implement Property. An unauthenticated property-store API request can supply the class and constructor value, allowing compatible classes on the application classpath to run constructor side effects.

CVSS severity9.8
Critical
EPSS probability1.54%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Code injection in ff4j 1.8.1 through 1.8.13 allows remote attackers to execute code via a crafted property type. PropertyFactory.createProperty resolves the supplied type with Class.forName and invokes its String constructor without requiring the class to implement Property. An unauthenticated property-store API request can supply the class and constructor value, allowing compatible classes on the application classpath to run constructor side effects.

The record

CVE
CVE-2022-44262
Published
Dec 1, 2022
Updated
Apr 29, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-94, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Dec 1, 2022CVE publishedPublication date reported by the CVE source.
  2. Apr 29, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.8GitHub Security AdvisoryCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')
T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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