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CVE-2026-34478

🗓️ 13 Apr 2026 16:47:14Reported by redhat.comType 
redhatcve
 redhatcve🔗 access.redhat.com

A flaw in Apache Log4j Core allows log injection via carriage return and line feed sequences when configuring the RFC5424 layout with syslog, risking altered logs.

Related
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Multiple Vulnerabilities in IBM Tivoli Netcool/OMNIbus_GUI
26 May 202614:03
–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: 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: Multiple vulnerabilities in IBM Tivoli Network Configuration Manager IP Edition (ITNCM)
18 Apr 202602:39
–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
IBM Security Bulletins		Security Bulletin: IBM App Connect for Manufacturing is vulnerable to multiple vulnerabilities due to Apache Log4j and Bouncy Castle.
11 May 202606:59
–ibm
IBM Security Bulletins		Security Bulletin: IBM App Connect Enterprise and IBM Integration Bus for z/OS are vulnerable to multiple vulnerabilities due to Apache Log4j ( CVE-2026-34477, CVE-2026-34478, CVE-2026-34479 & CVE-2026-34480 )
22 May 202614:52
–ibm
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29 May 2026 08:27Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.15.8 - 7.5
CVSS 46.9
EPSS0.00034
SSVC
CWE-93
log injectionsyslog configurationsecurity vulnerability
0