Advisory severityHigh7.5Apache Software Foundation

High [CVE-2026-91866] specially crafted pair of WS-Policy documents can force Neethi's policy-intersection to do exponential amounts of work, pinning the CPU for a long time (denial of service)

This high-severity Apache Software Foundation advisory covers CVE-2026-91866; related products: Apache Neethi.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-91866 Source published Sep 21, 2026Source updated Sep 25, 2026

VulniPulse record published Sep 21, 2026Record updated Sep 25, 2026

CVE-2026-91866

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Summary

A specially crafted pair of WS-Policy documents can force Neethi's policy-intersection to do exponential amounts of work, pinning the CPU for a long time (denial of service). Users are recommended to upgrade to version 3.2.4, which fixes this issue.

Affected product named by the advisory: Apache Neethi.

Affected versions

Apache Neethi before 3.2.4

Official advisory · high-confidence parse· fetched 15 days ago·verify at source

Fixed versions

3.2.4

Official advisory · high-confidence parse· fetched 15 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Users are recommended to upgrade to version 3.2.4, which fixes this issue.

Official advisory · high-confidence parse· fetched 15 days ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Official vendor advisoryofficial
Official advisory page fetched and parsed; accepted detail fields are attributed to this page.
Apache Software Foundation
CVE.org CNA recordCVE.org
Independent CNA record used for near-real-time discovery and missed-CVE reconciliation. Discovered from the machine-readable feed https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/delta.json; this link opens the CVE.org record for CVE-2026-91866 instead of the raw feed document.
CVE Program

Cross-references

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CVE-2026-91866NVD CVE.org MITRE

Official resources

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Official documentation
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Apache project downloads (fixed releases)
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