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Vulnerabilities / CVE-2021-23926

critical

CVE-2021-23926

xmlbeans: allowed malicious XML input may lead to XML Entity Expansion attack

Published Modified CWE 776
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

NVD9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
GHSA9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Red Hat7.4CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H

Trivy's own label is CRITICAL. Rated critical by NVD, GHSA. Rated lower by Red Hat (high).

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 packages and fixed versions

SourcePackageFixed in
maven::GitHub Security Advisory Mavenorg.apache.xmlbeans:xmlbeans3.0.0
debian 11xmlbeans3.0.2-1
debian 12xmlbeans3.0.2-1
debian 13xmlbeans3.0.2-1
debian 14xmlbeans3.0.2-1
debian 9xmlbeans2.6.0+dfsg-1+deb9u1
echoxmlbeans3.0.2-1

References

All 13 references

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.