{"id":"CVE-2026-87107","aliases":["BIT-consul-2026-87107","EUVD-2026-75699","GHSA-h73p-f2fq-8x97","UBUNTU-CVE-2026-87107"],"status":"published","title":"Consul vulnerable to an authorization bypass in the catalog deregistration path","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.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00314,"percentile":0.24553,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-863"],"published":"2026-09-10T18:57:35Z","modified":"2026-10-28T02:30:27Z","fixes":[{"ecosystem":"Bitnami","package":"consul","fixed_in":["2.0.4"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"consul","ranges":[{"type":"SEMVER","events":[{"introduced":"1.21.0"},{"fixed":"2.0.4"}]}]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"consul","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.6.4~dfsg-3"]},{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"consul","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.0.7~dfsg1-5ubuntu1","1.4.4~dfsg1-2ubuntu2","1.5.2+dfsg1-6","1.5.2+dfsg1-10","1.5.2+dfsg1-12","1.5.2+dfsg2-14"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"consul","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7.4+dfsg1-1","1.8.7+dfsg1-3"]}],"products":[{"vendor":"hashicorp","product":"consul"},{"vendor":"hashicorp","product":"consul enterprise"}],"references":[{"url":"https://discuss.hashicorp.com/t/hcsec-2026-36-consul-vulnerable-to-an-authorization-bypass-in-the-catalog-deregistration-path/77738","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-87107","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-h73p-f2fq-8x97"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/87xxx/CVE-2026-87107.json","tags":["advisory"]},{"url":"https://github.com/hashicorp/consul","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2026-87107","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-87107","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-87107","title":"Consul vulnerable to an authorization bypass in the catalog deregistration path","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.","status":"published","published":"2026-09-10T18:57:35.812Z","modified":"2026-09-10T19:22:09.223Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T13:37:47.463822Z"}],"euvd":[{"id":"EUVD-2026-75699","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.","status":"published","published":"2026-09-10T18:57:35Z","modified":"2026-09-10T19:22:09Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T17:28:23.364345Z"}],"ghsa":[{"id":"GHSA-h73p-f2fq-8x97","title":"Consul and Consul Enterprise are vulnerable to an authorization bypass in the catalog...","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.","status":"published","published":"2026-09-10T21:31:35Z","modified":"2026-09-10T21:31:40Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:11:43.240477Z"}],"nvd":[{"id":"CVE-2026-87107","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.","status":"published","published":"2026-09-10T19:17:37.413Z","modified":"2026-09-10T20:17:29.083Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:12:46.271848Z"}],"osv":[{"id":"CVE-2026-87107","title":"Consul vulnerable to an authorization bypass in the catalog deregistration path","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.","status":"published","published":"2026-09-10T18:57:35.812Z","modified":"2026-10-28T02:30:27.658479803Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T15:45:19.210277Z"},{"id":"UBUNTU-CVE-2026-87107","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.","status":"published","published":"2026-09-10T19:17:00Z","modified":"2026-09-16T14:03:37.909241128Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T16:57:24.828975Z"},{"id":"BIT-consul-2026-87107","title":"Consul vulnerable to an authorization bypass in the catalog deregistration path","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.","status":"published","published":"2026-09-25T12:20:51.595Z","modified":"2026-09-25T14:15:15.91845084Z","updated_at":"2026-11-02T15:28:28.70813Z"}]}}