Severity:

HIGH RISK

(7.5)

Improper Encoding of Non-finite Floats (CWE-116) in Apache Log4j JsonTemplateLayout

CVE-2026-34481

Published:

Apr 10, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Vulnerability Type

Vulnerability Type

Category:

Output Encoding and Data Representation

CWE:

CWE-116

Impact:

Log Integrity and Availability Disruption

Severity:

HIGH RISK

(7.5)

CVSS Version:

3.1

Vulnerability Type

Category:

Output Encoding and Data Representation

CWE:

CWE-116

Impact:

Log Integrity and Availability Disruption

Severity:

HIGH RISK

(7.5)

CVSS Version:

3.1

Catch This CVE While Code Is Being Written

Detect vulnerable code directly in pull requests, so CVEs are fixed before merge.