{"id":"BIT-consul-2026-87090","summary":"Consul vulnerable to an authorization bypass in the catalog node-write path","details":"Consul and Consul Enterprise are vulnerable to an authorization bypass in the catalog node-write path that may allow an authenticated attacker to delete another node's catalog registration and take over its node identity. An attacker with a token granting node-write permission on any single node name may exploit this issue if they can obtain the node ID of a node they do not control. This vulnerability (CVE-2026-87090) is fixed in Consul 2.0.4 and Consul Enterprise 1.21.18, 1.22.12 and 2.0.4.","aliases":["CVE-2026-87090"],"modified":"2026-09-25T14:15:15.553466298Z","published":"2026-09-25T12:20:48.712Z","database_specific":{"severity":"High","cpes":["cpe:2.3:a:hashicorp:consul:*:*:*:*:*:*:*:*","cpe:2.3:a:hashicorp:consul:*:*:*:*:community:*:*:*","cpe:2.3:a:hashicorp:consul:*:*:*:*:enterprise:*:*:*","cpe:2.3:a:hashicorp:consul:*:*:*:*:-:*:*:*"]},"references":[{"type":"WEB","url":"https://discuss.hashicorp.com/t/hcsec-2026-34-consul-vulnerable-to-an-authorization-bypass-in-the-catalog-node-write-path/77736"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-87090"}],"affected":[{"package":{"name":"consul","ecosystem":"Bitnami","purl":"pkg:bitnami/consul"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0.1.0"},{"fixed":"2.0.4"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/consul/BIT-consul-2026-87090.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H"}]}],"schema_version":"1.9.0"}