{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-87107","assignerOrgId":"67fedba0-ff2e-4543-ba5b-aa93e87718cc","state":"PUBLISHED","assignerShortName":"HashiCorp","dateReserved":"2026-09-08T20:24:18.555Z","datePublished":"2026-09-10T18:57:35.812Z","dateUpdated":"2026-09-10T19:22:09.223Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"product":"Consul","repo":"https://github.com/hashicorp/consul","vendor":"HashiCorp","versions":[{"lessThan":"2.0.4","status":"affected","version":"1.21.0","versionType":"semver"}]},{"defaultStatus":"unaffected","platforms":["64 bit","32 bit","x86","ARM","MacOS","Windows","Linux"],"product":"Consul Enterprise","repo":"https://github.com/hashicorp/consul","vendor":"HashiCorp","versions":[{"changes":[{"at":"1.21.18","status":"unaffected"},{"at":"1.22.12","status":"unaffected"}],"lessThan":"2.0.4","status":"affected","version":"1.21.0","versionType":"semver"}]}],"credits":[{"lang":"en","value":"This issue was reported to HashiCorp by Yazdan Soltani."}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>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.</p><br/>"}],"value":"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."}],"impacts":[{"capecId":"CAPEC-1","descriptions":[{"lang":"en","value":"CAPEC-1: Accessing Functionality Not Properly Constrained by ACLs"}]}],"metrics":[{"cvssV3_1":{"baseScore":5.4,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"67fedba0-ff2e-4543-ba5b-aa93e87718cc","shortName":"HashiCorp","dateUpdated":"2026-09-10T18:57:35.812Z"},"references":[{"url":"https://discuss.hashicorp.com/t/hcsec-2026-36-consul-vulnerable-to-an-authorization-bypass-in-the-catalog-deregistration-path/77738"}],"source":{"advisory":"HCSEC-2026-36","discovery":"EXTERNAL"},"title":"Consul vulnerable to an authorization bypass in the catalog deregistration path"},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-10T19:21:57.382969Z","id":"CVE-2026-87107","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-10T19:22:09.223Z"}}]}}