CVE-2025-11374 MEDIUM

CVE-2025-11374: Consul's KV endpoint is vulnerable to denial of service

Vendor Hashicorp
Product Consul
Weakness CWE-770 · Uncontrolled resource consumption
Published October 28, 2025
Last update April 17, 2026
View on NVD All CVEs

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

October 28, 2025 CVE published
April 17, 2026 Record updated