{"id":"CVE-2026-115732","aliases":["DEBIAN-CVE-2026-115732","EUVD-2026-116493","GHSA-5jqj-9p78-vmh3","UBUNTU-CVE-2026-115732"],"status":"published","title":"Certificate Name Authorization Bypass","description":"Incorrect authorization in the certificate-name matching of trapperkeeper-authorization, as used by Puppet Server, in the affected products, allows a client that holds a CA-signed certificate whose name extends or shortens an authorized hostname to be authorized as that host. This enables impersonation of other nodes and, in Puppet Enterprise, access to certificate-authority administration and remote command execution on managed nodes. Exploitation requires a certificate with a colliding name, which the certificate authority issues by approval or autosign.","severity":{"version":"4.0","score":9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00745,"percentile":0.55284,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-697","CWE-863"],"published":"2026-11-03T20:38:24Z","modified":"2026-11-08T06:00:06Z","fixes":[{"ecosystem":"Debian:12","package":"trapperkeeper-authorization-clojure","fixed_in":["1.0.0-4+deb12u1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"trapperkeeper-authorization-clojure","fixed_in":["2.0.1-2+deb13u1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"trapperkeeper-authorization-clojure","fixed_in":["2.5.0-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"trapperkeeper-authorization-clojure","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.0-4+deb12u1"}]}],"versions":["1.0.0-4"]},{"source":"osv","ecosystem":"Debian:13","package":"trapperkeeper-authorization-clojure","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.1-2+deb13u1"}]}],"versions":["2.0.1-2"]},{"source":"osv","ecosystem":"Debian:14","package":"trapperkeeper-authorization-clojure","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.0-1"}]}],"versions":["2.0.1-2","2.4.1-1"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"puppetserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.9.5-2","8.4.0-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"puppetserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.7.0-6ubuntu1","8.7.0-6ubuntu2"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"puppetserver","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.7.0-3","8.7.0-6","8.7.0-6ubuntu1"]}],"products":[{"vendor":"perforce","product":"puppet enterprise"}],"references":[{"url":"https://portal.perforce.com/s/cve/a91Qi000003IaJRIA0/certificate-name-authorization-bypass","tags":["report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-115732"},{"url":"https://github.com/advisories/GHSA-5jqj-9p78-vmh3"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-115732","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-115732","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-115732","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-115732","title":"Certificate Name Authorization Bypass","description":"Incorrect authorization in the certificate-name matching of trapperkeeper-authorization, as used by Puppet Server, in the affected products, allows a client that holds a CA-signed certificate whose name extends or shortens an authorized hostname to be authorized as that host. This enables impersonation of other nodes and, in Puppet Enterprise, access to certificate-authority administration and remote command execution on managed nodes. Exploitation requires a certificate with a colliding name, which the certificate authority issues by approval or autosign.","status":"published","published":"2026-11-03T20:38:24.169Z","modified":"2026-11-06T19:39:07.902Z","cvss":[{"version":"4.0","score":9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","level":"critical","assessor":"cna"}],"cwes":["CWE-863","CWE-697"],"updated_at":"2026-11-06T20:30:03.598374Z"}],"euvd":[{"id":"EUVD-2026-116493","description":"Incorrect authorization in the certificate-name matching of trapperkeeper-authorization, as used by Puppet Server, in the affected products, allows a client that holds a CA-signed certificate whose name extends or shortens an authorized hostname to be authorized as that host. This enables impersonation of other nodes and, in Puppet Enterprise, access to certificate-authority administration and remote command execution on managed nodes. Exploitation requires a certificate with a colliding name, which the certificate authority issues by approval or autosign.","status":"published","published":"2026-11-03T20:38:24Z","modified":"2026-11-06T19:39:07Z","cvss":[{"version":"4.0","score":9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","level":"critical"}],"updated_at":"2026-11-06T21:07:00.781791Z"}],"ghsa":[{"id":"GHSA-5jqj-9p78-vmh3","title":"Incorrect authorization in the certificate-name matching of trapperkeeper-authorization, as used...","description":"Incorrect authorization in the certificate-name matching of trapperkeeper-authorization, as used by Puppet Server, in the affected products, allows a client that holds a CA-signed certificate whose name extends or shortens an authorized hostname to be authorized as that host. This enables impersonation of other nodes and, in Puppet Enterprise, access to certificate-authority administration and remote command execution on managed nodes. Exploitation requires a certificate with a colliding name, which the certificate authority issues by approval or autosign.","status":"published","published":"2026-11-03T21:32:17Z","modified":"2026-11-03T21:32:17Z","cvss":[{"version":"4.0","score":9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"}],"cwes":["CWE-697"],"updated_at":"2026-11-03T21:34:06.482208Z"}],"nvd":[{"id":"CVE-2026-115732","description":"Incorrect authorization in the certificate-name matching of trapperkeeper-authorization, as used by Puppet Server, in the affected products, allows a client that holds a CA-signed certificate whose name extends or shortens an authorized hostname to be authorized as that host. This enables impersonation of other nodes and, in Puppet Enterprise, access to certificate-authority administration and remote command execution on managed nodes. Exploitation requires a certificate with a colliding name, which the certificate authority issues by approval or autosign.","status":"published","published":"2026-11-03T21:17:02.033Z","modified":"2026-11-06T20:38:53.57Z","cvss":[{"version":"4.0","score":9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical","assessor":"secondary"}],"cwes":["CWE-697","CWE-863"],"updated_at":"2026-11-06T22:02:16.475328Z"}],"osv":[{"id":"DEBIAN-CVE-2026-115732","description":"Incorrect authorization in the certificate-name matching of trapperkeeper-authorization, as used by Puppet Server, in the affected products, allows a client that holds a CA-signed certificate whose name extends or shortens an authorized hostname to be authorized as that host. This enables impersonation of other nodes and, in Puppet Enterprise, access to certificate-authority administration and remote command execution on managed nodes. Exploitation requires a certificate with a colliding name, which the certificate authority issues by approval or autosign.","status":"published","published":"2026-11-03T21:17:02.033Z","modified":"2026-11-08T06:00:06.736007792Z","cvss":[{"version":"4.0","score":9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"critical"}],"updated_at":"2026-11-08T06:31:21.6268Z"},{"id":"UBUNTU-CVE-2026-115732","description":"Incorrect authorization in the certificate-name matching of trapperkeeper-authorization, as used by Puppet Server, in the affected products, allows a client that holds a CA-signed certificate whose name extends or shortens an authorized hostname to be authorized as that host. This enables impersonation of other nodes and, in Puppet Enterprise, access to certificate-authority administration and remote command execution on managed nodes. Exploitation requires a certificate with a colliding name, which the certificate authority issues by approval or autosign.","status":"published","published":"2026-11-03T21:17:00Z","modified":"2026-11-05T11:46:54.682504144Z","cvss":[{"version":"4.0","score":9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","level":"critical"}],"updated_at":"2026-11-05T13:30:15.321876Z"}]}}