Bug 2547113 (CVE-2026-105111)
| Summary: | CVE-2026-105111 org.apache.bcel/bcel: Apache Commons BCEL: Stored Cross-Site Scripting via untrusted class files in Class2HTML | ||
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| Product: | [Other] Security Response | Reporter: | OSIDB Bzimport <bzimport> |
| Component: | vulnerability | Assignee: | Product Security DevOps Team <prodsec-dev> |
| Status: | NEW --- | QA Contact: | |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | unspecified | CC: | bbrownin, csutherl, dsoumis, fmongiar, gmalinko, janstey, jclere, jnethert, jwon, pdelbell, pjindal, plodge, rhel-process-autobot, rmaucher, rstepani, szappis, watson-tool-maintainers |
| Target Milestone: | --- | Keywords: | Security |
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | --- | |
| Doc Text: |
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.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | Type: | --- | |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 2547327, 2547329, 2547331, 2547333, 2547328, 2547330, 2547332 | ||
| Bug Blocks: | |||
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Apache Commons BCEL. This only happens when you're using Class2HTML to generate webpages for possibly-attacker-controlled class files, where Class2HTML emitters write attacker class-file strings into HTML unescaped (stored XSS in reports). This issue affects Apache Commons BCEL: before 6.13.0. Users are recommended to upgrade to version 6.13.0, which fixes the issue.