CVE-2026-56149

MediumCVSS 4.9/10Last modified Jul 2, 2026

Description

Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can lead to a denial of service via Excessive Allocation (CAPEC-130). A user with elevated privileges can submit a specially crafted machine learning request that causes excessive memory consumption, which may render the affected node unavailable.

Metrics

CVSS 3.1 4.9/10CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jul 1, 2026
Last modified
Jul 2, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-56154.3A weakness has been identified in givanz Vvvebjs up to 2.0.5. The affected element is an unknown function of the file upload.php of the compCVE-2026-561507.5Allocation of Resources Without Limits or Throttling (CWE-770) in Fleet Server can lead to a denial of service via Excessive Allocation (CAPCVE-2026-561516.5Improper Input Validation (CWE-20) in Kibana can lead to a denial of service via Input Data Manipulation (CAPEC-153). An authenticated user CVE-2026-561525.3Incorrect Authorization (CWE-863) in Kibana can lead to unauthorized information disclosure via Accessing Functionality Not Properly ConstraCVE-2026-561537.5Out-of-bounds Write vulnerability in Apache HTTP Server's mod_charset_lite. This issue affects Apache HTTP Server: from 2.4.0 through 2.4CVE-2026-561549.8Use After Free vulnerability in Apache HTTP Server's mod_rewrite when using lookahead (%{LA-U:HTTP:...}) This issue affects Apache HTTP SCVE-2026-561557.8Insufficient granularity of access control in Active Directory Federation Services (AD FS) allows an authorized attacker to elevate privilegCVE-2026-561567.8Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.CVE-2026-561575.4Improper access control in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.CVE-2026-561599.8Heap-based buffer overflow in Windows DHCP Server allows an unauthorized attacker to execute code over a network.CVE-2026-56167.3A security vulnerability has been detected in JeecgBoot 3.9.0/3.9.1. The impacted element is an unknown function of the file jeecg-boot/jeecCVE-2026-561609.9Improper authorization in Azure Red Hat OpenShift (ARO) allows an authorized attacker to elevate privileges over a network.
CVE-2026-56149: Medium severity, CVSS 4.9 | Vulnix