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CVE-2026-63260

6.5 medium SSVC exploitation: none Analyzed
NVD · CVE.org

Uncontrolled Resource Consumption (CWE-400) in Kibana can lead to denial of service via Excessive Allocation (CAPEC-130). An authenticated attacker with low-privilege access can trigger a denial of service condition in Kibana by sending a specially crafted, oversized request payload. Processing this user-supplied input requires resource-intensive memory allocation that can exhaust the available heap memory in the Kibana process, causing it to crash and become unavailable to all users.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 6.5 · elasticNVD modified 2026-10-24 17:10

Affected (CPE criteria) 1

  • cpe:2.3:a:elastic:kibana:*:*:*:*:*:*:*:*

References 1