CVE-2026-87830 Affecting wss4j package, versions *
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN14-WSS4J-20342706
- published1 Oct 2026
- disclosed30 Sept 2026
Introduced: 30 Sep 2026
NewCVE-2026-87830 (opens in a new tab)How to fix?
There is no fixed version for Debian:14 wss4j.
NVD Description
Note: Versions mentioned in the description apply only to the upstream wss4j package and not the wss4j package as distributed by Debian.
See How to fix? for Debian:14 relevant fixed versions and status.
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.