{"id":"UBUNTU-CVE-2026-105765","details":"HashiCorp Consul and Consul Enterprise 1.17.0 up to 2.0.4 are vulnerable to an authorization bypass in the agent's service mesh leaf certificate API that may allow an attacker without a valid ACL token to retrieve a cached service leaf certificate and its private key. This vulnerability (CVE-2026-105765) is fixed in Consul Community Edition 2.1.0 and Consul Enterprise 2.1.0 and 1.21.19.","modified":"2026-10-28T20:17:40.020872896Z","published":"2026-10-26T18:17:00Z","upstream":["CVE-2026-105765"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-105765"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-105765"},{"type":"REPORT","url":"https://github.com/hashicorp/consul"},{"type":"REPORT","url":"https://discuss.hashicorp.com/t/hcsec-2026-46-consul-vulnerable-to-an-authorization-bypass-in-the-agents-service-mesh-leaf-certificate-api/77911"},{"type":"REPORT","url":"https://github.com/cveproject/cvelistv5/tree/main/cves/2026/105xxx/cve-2026-105765.json"},{"type":"REPORT","url":"https://nvd.nist.gov/vuln/detail/cve-2026-105765"}],"affected":[{"package":{"name":"consul","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/consul?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.6.4~dfsg-3"],"ecosystem_specific":{"binaries":[{"binary_name":"consul","binary_version":"0.6.4~dfsg-3"},{"binary_name":"golang-github-hashicorp-consul-dev","binary_version":"0.6.4~dfsg-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105765.json"}},{"package":{"name":"consul","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/consul?arch=source&distro=focal"},"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"],"ecosystem_specific":{"binaries":[{"binary_version":"1.5.2+dfsg2-14","binary_name":"consul"},{"binary_version":"1.5.2+dfsg2-14","binary_name":"golang-github-hashicorp-consul-dev"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105765.json"}},{"package":{"name":"consul","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/consul?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.7.4+dfsg1-1","1.8.7+dfsg1-3"],"ecosystem_specific":{"binaries":[{"binary_version":"1.8.7+dfsg1-3","binary_name":"consul"},{"binary_name":"golang-github-hashicorp-consul-dev","binary_version":"1.8.7+dfsg1-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-105765.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}