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CVE-2026-94114

Apache Commons BCEL: Class repositories cache class files under their self-declared names, enabling cache poisoning

Symbolic name not mapping to correct class. BCEL caches attacker-controlled classes under their self-declared names without validating the requested name, allowing subsequent lookups and name-keyed verification results to refer to a different class. This issue affects Apache Commons BCEL: before 6.13.0. Users are recommended to upgrade to version 6.13.0, which fixes the issue.

CVSS 4.0 · 8.2 High EPSS < 1% KEV · Not listed
Vendors
Apache
Products
Commons Bcel
CVE-2022-42920

Apache Commons BCEL prior to 6.6.0 allows producing arbitrary bytecode via out-of-bounds writing

Apache Commons BCEL has a number of APIs that would normally only allow changing specific class characteristics. However, due to an out-of-bounds writing issue, these APIs can be used to produce arbitrary bytecode. This could be abused in applications that pass attacker-controllable data to those APIs, giving the attacker more control over the resulting bytecode than otherwise expected. Update to Apache Commons BCEL 6.6.0.

CVSS 3.1 · 9.8 Critical EPSS 3.5% KEV · Not listed
Vendors
Apache Fedoraproject Redhat
Products
Commons Bcel Fedora Amq Streams and 7 more