# CVE-2026-87107: Consul vulnerable to an authorization bypass in the catalog deregistration path

> CVE-2026-87107: Consul vulnerable to an authorization bypass in the catalog deregistration path. CVSS 5.4 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-87107
Last updated: 2026-09-10T20:17:29Z

- Published: 2026-09-10 18:57 UTC · Updated: 2026-09-10 20:17 UTC · Assigner: HashiCorp
- CVSS: 5.4 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
- EPSS: 0.31%, 24th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-863

## 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 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-2026-87107)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-87107)
- [https://discuss.hashicorp.com/t/hcsec-2026-36-consul-vulnerable-to-an-authorization-bypass-in-the-catalog-deregistration-path/77738](https://discuss.hashicorp.com/t/hcsec-2026-36-consul-vulnerable-to-an-authorization-bypass-in-the-catalog-deregistration-path/77738)

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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-2026-87107 · Markdown: https://rewindex.com/cve/CVE-2026-87107.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-87107 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:11:47.642Z