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Secure route: /intel/ai-cve-2026-63140-reachable-assertion-vulnerability-in-elasticsearch-517ab046
mediumCVE-2026-631402026-07-23Vector: appsec

CVE-2026-63140: Reachable Assertion Vulnerability in Elasticsearch

A vulnerability in Elasticsearch allows attackers to crash the service by triggering a specific assertion error, leading to a denial of service.

Decision Context

English Brief

A vulnerability in Elasticsearch allows attackers to crash the service by triggering a specific assertion error, leading to a denial of service.

الموجز العربي

ثغرة CVE-2026-63140: تأكيد يمكن الوصول إليه في Elasticsearch يؤدي إلى تعطل الخدمة

ثغرة أمنية في خدمة Elasticsearch تسمح للمهاجمين بإيقاف الخدمة عن العمل عبر إرسال طلبات تؤدي إلى خطأ تقني، مما يتسبب في توقف الخدمة عن الاستجابة.

Affected Products
    Priority sectors
    TechnologyEnterprise Software
    Immediate Actions
    1. 1Check current version: elasticsearch --version
    2. 2Review vendor security portal for the patched release: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-63140
    3. 3Apply updates through package manager or vendor script
    CVE-2026-63140: Reachable Assertion Vulnerability in Elasticsearch | Cyberttak