Advisory severityLow2.3Apache Software Foundation Updated

Low [CVE-2026-105111] Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Apache Commons BCEL

This low-severity Apache Software Foundation advisory covers CVE-2026-105111 affecting Apache Commons BCEL.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-105111 Source published Oct 6, 2026Source updated Oct 7, 2026

VulniPulse record published Oct 6, 2026Record updated Oct 7, 2026

CVE-2026-105111

Affected products & platforms

Apache Software FoundationUnclassified

Open source advisory

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Summary

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.

Affected versions

Apache Commons BCEL before 6.13.0
Apache Commons BCEL before fb72c225cbc6ec3d94060ed6edb269f07428d504

Official advisory · high-confidence parse· fetched 1 day ago·verify at source

Fixed versions

6.13.0

Official advisory · high-confidence parse· fetched 1 day ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Users are recommended to upgrade to version 6.13.0, which fixes the issue.

Official advisory · high-confidence parse· fetched 1 day ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Official vendor advisoryofficial
Official advisory page fetched and parsed; accepted detail fields are attributed to this page.
Apache Software Foundation
CVE.org CNA recordCVE.org
Independent CNA record used for near-real-time discovery and missed-CVE reconciliation. Discovered from the machine-readable feed https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/delta.json; this link opens the CVE.org record for CVE-2026-105111 instead of the raw feed document.
CVE Program

Cross-references

Validate CVE metadata against the authoritative registries.

CVE-2026-105111NVD CVE.org MITRE

Official resources

ASF Security — reporting & CVE process
Official documentation
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Apache project downloads (fixed releases)
Official documentation
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