CVE-2026-115804

medium

Description

HashiCorp Consul and Consul Enterprise are vulnerable to an authorization bypass in health check registration that may allow an authenticated user to modify health checks belonging to another service on the same node. This vulnerability (CVE-2026-115804) is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19.

References

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-110064

https://discuss.hashicorp.com/t/hcsec-2026-49-consul-vulnerable-to-an-authorization-bypass-in-health-check-registration/77914

Details

Source: Mitre, NVD

Published: 2026-10-26

Updated: 2026-10-26

Risk Information

CVSS v2

Base Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 6.4

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

Severity: Medium

EPSS

EPSS: 0.0029