{"id":"CVE-2026-112816","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-112816","generatedAt":"2026-11-04T11:49:51.630Z","title":"Improper certificate validation in the HTTPS listener in Canonical LXD 4.0.14, 5.0.10, 5.21.8, 6.9 before 4.0.15, 5.0.11, 5.21.9, 6.10.1 allows an unauthenticated attacker to authenticate as any trusted client and gain full access to the cluster and…","description":"Improper certificate validation in the HTTPS listener in Canonical LXD 4.0.14, 5.0.10, 5.21.8, 6.9 before 4.0.15, 5.0.11, 5.21.9, 6.10.1 allows an unauthenticated attacker to authenticate as any trusted client and gain full access to the cluster and managed virtual machines via a crafted certificate chain.","published":"2026-10-30T17:17:14.000Z","lastModified":"2026-10-31T04:18:17.000Z","status":"Deferred","sourceIdentifier":"security@ubuntu.com","cvss":{"version":"4.0","score":10,"severity":"CRITICAL","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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/M"},"cwe":["CWE-295"],"affected":[],"epss":{"score":0.00303,"percentile":0.23187,"date":"2026-11-03","history":[{"date":"2026-10-31","score":0.00303,"percentile":0.23148}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-30T17:17:14.000Z","detail":{"score":"10.0","severity":"CRITICAL","publishedAt":"2026-10-30T17:17:14.293Z"},"summary":"New CVE, critical severity (CVSS 10.0)."}],"references":[{"url":"https://discourse.ubuntu.com/t/lxd-4-0-15-lts-has-been-released/90571","source":"security@ubuntu.com"},{"url":"https://discourse.ubuntu.com/t/lxd-5-0-11-lts-has-been-released/90570/1","source":"security@ubuntu.com"},{"url":"https://discourse.ubuntu.com/t/lxd-5-21-9-lts-has-been-released/90565/1","source":"security@ubuntu.com"},{"url":"https://discourse.ubuntu.com/t/lxd-6-10-1-lts-has-been-released/90024","source":"security@ubuntu.com"},{"url":"https://discourse.ubuntu.com/t/security-advisory-critical-vulnerability-found-in-canonical-lxd-and-microcloud/90557","source":"security@ubuntu.com"},{"url":"https://github.com/canonical/lxd/security/advisories/GHSA-99jp-jwmc-65p4","source":"security@ubuntu.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-112816","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}