Lucene search
K
Catalog
Vendors
Products
Timeline
Vulnerabilities
Sources
Documentation
Blog
Glossary
FAQ
Brand assets
Assessment
Agents dashboard
Agent Scanning
API Scanning
Assessment API
Alerts
Email notifications
Webhook notifications
Alerts API
SBOM package analysis
API Reference
Support
Settings
Sign in

Apache Log4j Core: Silent log event loss in XmlLayout due to unescaped XML 1.0 forbidden characters

🗓️ 10 Apr 2026 18:31:17Reported by GitHub Advisory DatabaseType 
github
 github🔗 github.com👁 5 Views

Log4j Core XmlLayout up to 2.25.3 fails to sanitize XML forbidden characters; upgrade to 2.25.4.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Vulnerability in log4j/2.x affects IBM watsonx Assistant Cartridge and IBM watsonx Orchestrate with watsonx Assistant Cartridge.
22 Jun 202613:42
–ibm
IBM Security Bulletins		Security Bulletin: There is a vulnerability in log4j-core-2.25.3.jar used by IBM Maximo Manage application in IBM Maximo Application Suite (CVE-2026-34477, CVE-2026-34478, CVE-2026-34480)
29 May 202609:54
–ibm
IBM Security Bulletins		Security Bulletin: IBM® Db2® federated server is affected by multiple vulnerabilities in log4j v2.25.3.
23 Jun 202619:51
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerability in log4j/2.x affects IBM watsonx Assistant Cartridge and IBM watsonx Orchestrate with watsonx Assistant Cartridge.
22 Jun 202613:41
–ibm
IBM Security Bulletins		Security Bulletin: IBM Sterling External Authentication Server is vulnerable to multiple issues
24 Jun 202606:08
–ibm
IBM Security Bulletins		Security Bulletin: Multiple Vulnerabilities in Apache Log4j Core shipped in Tivoli Netcool/OMNIbus
29 May 202612:15
–ibm
IBM Security Bulletins		Security Bulletin: There is a vulnerability in log4j-core-2.25.3.jar used by IBM Maximo Manage application in IBM Maximo Application Suite (CVE-2026-34477, CVE-2026-34478, CVE-2026-34480)
29 May 202609:56
–ibm
IBM Security Bulletins		Security Bulletin: Due to use of log4j-core-2.25.3.jar, IBM Sterling Connect:Direct Web Services is vulnerable to log injection via CRLF sequences.
3 Jun 202604:27
–ibm
IBM Security Bulletins		Security Bulletin: There is a vulnerability in log4j-core-2.25.3.jar used by IBM Maximo Manage application in IBM Maximo Application Suite (CVE-2026-34480 ,CVE-2026-34477, CVE-2026-34478, CVE-2026-34479)
29 May 202608:56
–ibm
IBM Security Bulletins		Security Bulletin: Multiple Vulnerabilities in watsonx.data
9 May 202608:59
–ibm
Rows per page
Vulners
Node
org.apache.logging.log4jlog4j-coreRange3.0.0-alpha1–3.0.0-beta3maven
OR
org.apache.logging.log4jlog4j-coreRange2.0-alpha1–2.25.4maven

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

Book a live demo
13 Apr 2026 23:57Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.5
CVSS 46.9
EPSS0.0086
SSVC
CWE-116
Log4j CoreXmlLayoutXML forbidden charactersStAX implementationJRE built inWoodstoxUpgrade to 2.25.4XML output
5