In Apache Commons Beanutils 1.9.2, a special BeanIntrospector class was added which allows suppressing the ability for an attacker to access

Summary

In Apache Commons Beanutils 1.9.2, a special BeanIntrospector class was added which allows suppressing the ability for an attacker to access the classloader via the class property available on all Java objects. We, however were not using this by default characteristic of the PropertyUtilsBean.

Timeline

1. Aug 20, 2019, 8:10 PM UTCCVE published
2. Oct 8, 2026, 9:08 PM UTCCISA SSVC assessment

   Exploitation: none · Automatable: yes · Technical impact: partial

3. Oct 8, 2026, 9:13 PM UTCRecord last updated
4. Oct 22, 2026EPSS reached 10%

   FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

• Apache Apache Commons Beanutils

  Apache Commons Beanutils 1.0 to 1.9.3

• commons-beanutils:commons-beanutilsMaven

  fixed in 1.9.4

References 25