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CVE-2026-87830

CRITICAL NVD
CVSS Score
9.1
Severity
CRITICAL
Source
NVD
Published
Sep 30, 2026
Description

In the StAX streaming WS-SecurityPolicy validator, certain relative or unsupported XPath expressions can be converted into paths that never match the actual XML element path. A remote SOAP peer may therefore send a required element without the expected signature or encryption. Users are recommended to upgrade to versions 4.0.2 or 3.0.6 or 2.4.4, which fix this issue.

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