# CVE-2026-115804: Consul vulnerable to an authorization bypass in health check registration

> CVE-2026-115804: Consul vulnerable to an authorization bypass in health check registration. CVSS 6.4 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-115804
Last updated: 2026-10-26T20:17:51Z

- Published: 2026-10-26 18:09 UTC · Updated: 2026-10-26 20:17 UTC · Assigner: HashiCorp
- CVSS: 6.4 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L
- EPSS: 0.29%, 22th percentile (scored 2026-11-04)
- CISA KEV: no
- CWE: CWE-639

## 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.

## Affected vendors and products

- HashiCorp: Consul
- HashiCorp: Consul Enterprise

## Tracked companies

- [HashiCorp](https://rewindex.com/company/hashicorp.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-115804)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-115804)
- [https://discuss.hashicorp.com/t/hcsec-2026-49-consul-vulnerable-to-an-authorization-bypass-in-health-check-registration/77914](https://discuss.hashicorp.com/t/hcsec-2026-49-consul-vulnerable-to-an-authorization-bypass-in-health-check-registration/77914)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-115804 · Markdown: https://rewindex.com/cve/CVE-2026-115804.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-115804 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-05T14:47:24.520Z