CVE-2026-105111

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{"bugzilla": {"description": "org.apache.bcel/bcel: Apache Commons BCEL: Stored Cross-Site Scripting via untrusted class files in Class2HTML", "id": "2547113", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2547113"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N", "status": "draft"}, "cwe": "CWE-79", "details": ["A flaw was found in Apache Commons BCEL. The Class2HTML component does not properly sanitize strings when generating web pages from Java class files. A remote attacker can supply a specially crafted class file to trigger stored Cross-Site Scripting (XSS) when a user views the generated report. Successful exploitation may allow an attacker to execute arbitrary script code within the context of the victim's browser session."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability."}, "name": "CVE-2026-105111", "package_state": [{"cpe": "cpe:/a:redhat:camel_quarkus:3", "fix_state": "Fix deferred", "package_name": "bcel", "product_name": "Red Hat build of Apache Camel 4 for Quarkus 3"}, {"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "bcel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "maven-shared-jar", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "bcel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:enterprise_linux_ai:3", "fix_state": "Fix deferred", "package_name": "bazel6", "product_name": "Red Hat Enterprise Linux AI (RHEL AI) 3"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Out of support scope", "package_name": "bcel", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_web_server:6", "fix_state": "Fix deferred", "package_name": "jws6-tomcat-jakartaee-migration", "product_name": "Red Hat JBoss Web Server 6"}], "public_date": "2026-10-06T19:44:18Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-105111\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-105111\nhttps://github.com/apache/commons-bcel/commit/fb72c225cbc6ec3d94060ed6edb269f07428d504.patch\nhttps://lists.apache.org/thread.html/co1wfk2lyrmpnfhn49o370pvfl978rw6"], "statement": "This vulnerability is assessed as Moderate severity because successful exploitation requires an application to process untrusted Java bytecode with Class2HTML and subsequent user interaction to view the resulting reports in a browser. In supported Red Hat environments, Apache Commons BCEL is packaged and utilized primarily for bytecode manipulation and analysis during development and internal processing rather than for producing public web reports. Because the Class2HTML utility is not invoked in default product deployments or service workflows, typical installations are not exposed to this cross-site scripting flaw.", "threat_severity": "Moderate"}

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