CVE-2025-11374

MEDIUM

Consul < 1.22.0 - Denial of Service via KV Endpoint Content Length Header

Title source: llm
STIX 2.1

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.

References (1)

Core 1

Scores

CVSS v3 6.5
EPSS 0.0004
EPSS Percentile 12.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-770
Status published
Products (5)
hashicorp/consul < 1.18.12
hashicorp/consul < 1.22.0
HashiCorp/Consul < 1.22.0
hashicorp/consul 0 - 1.22.0Go
HashiCorp/Consul Enterprise < 1.22.0
Published Oct 28, 2025
Tracked Since Feb 18, 2026