CVE-2025-11374— Consul's KV endpoint is vulnerable to denial of service
Quick assessment
Affected
HashiCorp Consul
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 Consul和HashiCorp Consul Enterprise都是美国HashiCorp公司的产品。HashiCorp Consul是一套分布式、高可用数据中心感知解决方案。该产品用于跨动态分布式基础架构连接和配置应用程序。HashiCorp Consul Enterprise是一个系统服务发现和配置管理工具。 HashiCorp Consul和HashiCorp Consul Enterprise存在安全漏洞，该漏洞源于Content Length标头验证不正确，可能导致拒绝服
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2025-11374
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Consul's KV endpoint is vulnerable to denial of service
Source: CVE Program / CVE List V5
Vulnerability Description
Consul and Consul Enterprise’s (“Consul”) key/value endpoint is vulnerable to denial of service (DoS) due to incorrect Content Length header validation. This vulnerability, CVE-2025-11374, is fixed in Consul Community Edition 1.22.0 and Consul Enterprise 1.22.0, 1.21.6, 1.20.8 and 1.18.12.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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 Consul和HashiCorp Consul Enterprise 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HashiCorp Consul和HashiCorp Consul Enterprise都是美国HashiCorp公司的产品。HashiCorp Consul是一套分布式、高可用数据中心感知解决方案。该产品用于跨动态分布式基础架构连接和配置应用程序。HashiCorp Consul Enterprise是一个系统服务发现和配置管理工具。 HashiCorp Consul和HashiCorp Consul Enterprise存在安全漏洞，该漏洞源于Content Length标头验证不正确，可能导致拒绝服
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 | Consul | 0 ~ 1.22.0 | - |
|
| HashiCorp | Consul Enterprise | 0 ~ 1.22.0 | - |
|
II. Public POCs for CVE-2025-11374
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2025-11374
请登录查看更多情报信息。
Other References for CVE-2025-11374 (1)
IV. Related Vulnerabilities
Same product: Consul
-
CVE-2026-88021
Consul vulnerable to an authorization bypass in the Connect -
CVE-2026-87107
Consul vulnerable to an authorization bypass in the catalog -
CVE-2026-87106
Consul vulnerable to a denial of service in the native RPC l -
CVE-2026-87090
Consul vulnerable to an authorization bypass in the catalog -
CVE-2026-19113
Unauthenticated denial of service via unbounded request body
Same vendor: HashiCorp
-
CVE-2026-19585
Go-getter vulnerable to a path traversal in S3/GCS directory -
CVE-2026-89322
Vault ACL Policy Evaluation May Allow Bypass of Deny Restric -
CVE-2026-105820
Vault ACL Policy Cache Vulnerable to Cross-Namespace Policy -
CVE-2026-105816
Vault Vulnerable to Arbitrary Code Execution via Plugin Cata -
CVE-2026-105818
Vault PKI ACME Issues Certificate With Unvalidated SANs
Same weakness: CWE-770
-
CVE-2026-102554
Denial of Service via Eager Array Allocation During Deserial -
CVE-2026-87110
Ops Manager Uncontrolled Resource Consumption in Monitoring -
CVE-2026-107885
CUPS<=2.4.20资源耗尽漏洞 -
CVE-2026-78399
Security vulnerabilities have been found in IBM Verify Ident -
CVE-2026-107386
amqp091-go: Pre-negotiation frame limit is not enforced to 4
V. Comments for CVE-2025-11374
No comments yet