# CVE-2026-87107

## Summary

- **CVE ID:** CVE-2026-87107
- **Severity:** MEDIUM
- **CVSS Score:** 5.4 (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L)
- **CWE:** CWE-863
- **Published:** Sep 10, 2026
- **Last Modified:** Sep 10, 2026

## Description

Consul and Consul Enterprise are vulnerable to an authorization bypass in the catalog deregistration path that may allow a local ACL token to delete peer-imported catalog objects. A caller with {{service:write}} or {{node:write}} permission may exploit this issue to remove services, checks, or nodes imported from a peered cluster without holding authority over the peer origin. This vulnerability (CVE-2026-87107) is fixed in Consul 2.0.4 and Consul Enterprise 1.21.18, 1.22.12 and 2.0.4.

## Affected Products

- HashiCorp — Consul (1.21.0)
- HashiCorp — Consul Enterprise (1.21.0)

## References

- [CNA](https://discuss.hashicorp.com/t/hcsec-2026-36-consul-vulnerable-to-an-authorization-bypass-in-the-catalog-deregistration-path/77738)

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-10._