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The vulnerability of the Log4j1XmlLayout component in the Apache Log4j Core logging library, which allows attackers to influence the integrity of protected information.

🗓️ 15 Apr 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec🔗 bdu.fstec.ru👁 2 Views

Log4j1XmlLayout flaw in Apache Log4j Core enables improper encoding, risking data integrity.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: IBM Maximo Scheduler Optimizer uses log4j-core-2.25.3.jar which is vulnerable to CVE-2026-34477, CVE-2026-34478, CVE-2026-34479, CVE-2026-34480
7 Jul 202613:50
–ibm
IBM Security Bulletins		Security Bulletin: IBM InfoSphere Information Server is affected by multiple vulnerabilities in Apache Log4j
24 Jun 202622:08
–ibm
IBM Security Bulletins		Security Bulletin: SPSS Collaboration and Deployment Services is affected by multiple vulnerabilities in Apache Log4j
1 Jul 202605:01
–ibm
IBM Security Bulletins		Security Bulletin: Multiple Vulnerabilities affect IBM Decision Optimization for Cloud Pak for Data.
19 Jun 202608:43
–ibm
IBM Security Bulletins		Security Bulletin: Log4j Core TLS hostname verification bypass via verifyHostName XML attribute allows man-in-the-middle attacks on SMTP/Socket/Syslog appenders.
29 Jun 202613:33
–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: 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: IBM SPSS Modeler is affected by multiple vulnerabilities in Apache Log4j
27 May 202617:36
–ibm
Rows per page
Vulners
Node
apacheapache_log4j_coreRange2.7–2.25.4
OR
apacheapache_log4j_coreRange3.0.0-alpha1–3.0.0-beta2
OR
apacheapache_log4j_core_2Range2.7–2.25.4
OR
apacheapache_log4j_core_2Range3.0.0-alpha1–3.0.0-beta2

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15 Apr 2026 00:00Current
5.8Medium risk
Vulners AI Score5.8
CVSS 36.5
CVSS 27.8
EPSS0.00535
log4jlog4j corelog4j1xmllayoutimproper encodingdata integrityprotected information
2