CVE-2026-91866: CVE-2026-91866 - A specially crafted pair of WS-Policy documents can force Neethi's policy-intersection to do exponential amounts of work
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). This is a high threat mapped to CVE-2026-91866; security leaders should validate exposure, prioritize patching, and verify compensating controls.
Related CVEs
Recommended Defense & Controls
Verified PartnersSecOpsPulse may earn an affiliate commission when you procure security software via these partner links. Tool selections are automated based on attack vectors and are independent of editorial coverage.
SecOps Recommended Triage Checklist
- 01.Scope & Asset Discovery: Query vulnerability scanners (e.g. Tenable) and software bill of materials (SBOM) to pinpoint affected packages and services.
- 02.Vendor Patch Application: Prioritize deployment of official security patches released by upstream vendors.
- 03.Compensating Defense Controls: If patch cannot be applied immediately, enforce strict firewall/WAF boundaries and isolate target instances.
- 04.Endpoint Behavioral Monitoring: Audit telemetry via EDR (e.g. CrowdStrike) for abnormal child processes or privilege escalation attempts.
🛠️ SecOps Rapid Incident & Triage Tools for CVE-2026-91866
Integrated Defense ToolchainCalculate CISA BOD 22-01 & SOC 2 patch deadlines for CVE-2026-91866 with 1-click calendar export.
Sanitize exploit payloads, attacker IPs, and C2 URLs linked to CVE-2026-91866 into STIX 2.1 or Snort.
Re-score environmental and temporal CVSS base score vectors for your environment.
Weekly Executive Briefing
Top critical & high-severity threats, every week.
No spam. Unsubscribe anytime. SecOpsPulse may include sponsored security tool recommendations.
Related High-Priority Advisories
CVE-2026-94214 - A vulnerability was found in ST Engineering iDirect Evolution and Velocity WebServer Evolution up to 20260717. This affe
CVE-2026-94211 - A vulnerability has been found in Hyve5 Leantime up to 3.9.8. Affected by this issue is some unknown functionality of th
CVE-2026-84285 - An OS Command Injection vulnerability affecting Tuleap Enterprise Edition from 17.3 through 17.5 could allow an attacker