What’s Vulnerable › Vulnerabilities
CVE-2021-23926: XMLBeans XML Entity Expansion
- Severity: critical (CVSS 9.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 6.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2021-01-14 · updated 2026-06-17
- Weakness: CWE-776
Description
The XML parsers used by XMLBeans up to version 2.6.0 did not set the properties needed to protect the user from malicious XML input. Vulnerabilities include possibilities for XML Entity Expansion attacks. Affects XMLBeans up to and including v2.6.0.
Affected products
- Apache Xmlbeans: through 2.6.0
- Debian Linux: 9.0
- NetApp Oncommand Unified Manager Core Package: all versions
- NetApp Snap Creator Framework: all versions
- SnapManager for Oracle: all versions
- Oracle Middleware Common Libraries And Tools: 12.2.1.3.0, 12.2.1.4.0
- Oracle Corporation PeopleSoft Enterprise PT PeopleTools: 8.57, 8.58, 8.59
References
- https://issues.apache.org/jira/browse/XMLBEANS-517
- https://lists.apache.org/thread.html/r2dc5588009dc9f0310b7382269f932cc96cae4c3901b747dda1a7fed%40%3Cjava-dev.axis.apache.org%3E
- https://lists.apache.org/thread.html/rbb01d10512098894cd5f22325588197532c64f1c818ea7e4120d40c1%40%3Cjava-dev.axis.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2021/06/msg00024.html
- https://poi.apache.org/
- https://security.netapp.com/advisory/ntap-20210513-0004/
- https://www.oracle.com/security-alerts/cpujul2022.html
- https://www.oracle.com/security-alerts/cpuoct2021.html
- https://issues.apache.org/jira/browse/XMLBEANS-517
- https://lists.apache.org/thread.html/r2dc5588009dc9f0310b7382269f932cc96cae4c3901b747dda1a7fed%40%3Cjava-dev.axis.apache.org%3E
- https://lists.apache.org/thread.html/rbb01d10512098894cd5f22325588197532c64f1c818ea7e4120d40c1%40%3Cjava-dev.axis.apache.org%3E
- https://lists.debian.org/debian-lts-announce/2021/06/msg00024.html
Get alerted when CVE-2021-23926 or the next vulnerability affects your stack