๐Ÿ” CVE Alert

CVE-2026-87107

MEDIUM 5.4

Consul vulnerable to an authorization bypass in the catalog deregistration path

CVSS Score
5.4
EPSS Score
0.0%
EPSS Percentile
0th

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.

CWE CWE-863
Vendor hashicorp
Product consul
Published Sep 10, 2026
Last Updated Sep 10, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability

Affected Versions

HashiCorp / Consul
1.21.0 < 2.0.4
HashiCorp / Consul Enterprise
1.21.0 < 2.0.4

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
discuss.hashicorp.com: https://discuss.hashicorp.com/t/hcsec-2026-36-consul-vulnerable-to-an-authorization-bypass-in-the-catalog-deregistration-path/77738

Credits

This issue was reported to HashiCorp by Yazdan Soltani.