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CVE-2026-14362— Denial of service via crafted push/pull gossip message in memberlist

Quick assessment

Affected
HashiCorp Shared library
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

HashiCorp memberlist是美国HashiCorp公司的一个基于Gossip协议的集群节点管理组件。 HashiCorp memberlist 0.6.0之前版本存在资源管理错误漏洞，该漏洞源于push/pull状态处理中的拒绝服务问题，可能导致拥有网络访问权限的攻击者通过gossip端口耗尽内存。

CVSS 4.9 · Medium EPSS 0.44% · P36

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
HashiCorp Shared library 0.1.5< 0.6.0 affected
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I. Basic Information for CVE-2026-14362

Vulnerability Information
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Vulnerability Title
Denial of service via crafted push/pull gossip message in memberlist
Source: CVE Program / CVE List V5
Vulnerability Description
HashiCorp memberlist before version 0.6.0 is vulnerable to a denial-of-service issue in its push/pull state handling that may allow an attacker with network access to the gossip port to exhaust memory on a receiving node and cause the process to terminate. This vulnerability (CVE-2026-14362) is fixed in memberlist 0.6.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
HashiCorp memberlist 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HashiCorp memberlist是美国HashiCorp公司的一个基于Gossip协议的集群节点管理组件。 HashiCorp memberlist 0.6.0之前版本存在资源管理错误漏洞，该漏洞源于push/pull状态处理中的拒绝服务问题，可能导致拥有网络访问权限的攻击者通过gossip端口耗尽内存。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
HashiCorp Shared library 0.1.5 ~ 0.6.0 -

II. Public POCs for CVE-2026-14362

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III. Intelligence Information for CVE-2026-14362

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Vendor Advisories for CVE-2026-14362 (1)

Same Patch Batch · HashiCorp · 2026-07-08 · 5 CVEs total

CVE-2026-14891 8.7 HIGH Nomad vulnerable to sandbox escape in Docker task driver
CVE-2026-14373 7.7 HIGH Nomad Docker driver Linux host namespace bypass
CVE-2026-14361 4.7 MEDIUM Consul-template is vulnerable to path redirection in writeToFile through symlink attack
CVE-2026-14896 4.2 MEDIUM Nomad vulnerable to cross-namespace host volume claim deletion

IV. Related Vulnerabilities

Same product: Shared library
Same vendor: HashiCorp
Same weakness: CWE-770

V. Comments for CVE-2026-14362

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