{"id":"CVE-2026-78427","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-78427","generatedAt":"2026-10-28T00:50:58.141Z","title":"The NeuVector admission webhook silently excludes containers from policy evaluation when their image path matches one of three hardcoded service mesh sidecar images.","description":"The NeuVector admission webhook silently excludes containers from policy evaluation when their image path matches one of three hardcoded service mesh sidecar images. Since the image path is entirely controlled by the workload author, any user capable of deploying workloads can evade admission deny rules simply by naming their image path after one of these sidecar images.","published":"2026-09-17T10:17:04.000Z","lastModified":"2026-09-28T13:17:23.000Z","status":"Awaiting Analysis","sourceIdentifier":"meissner@suse.de","cvss":{"version":"4.0","score":5.3,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-807"],"affected":[],"epss":{"score":0.00235,"percentile":0.14244,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.24%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"scored","label":"Newly scored","at":"2026-09-28T13:30:05.000Z","detail":{"from":"4.3","score":"5.3","severity":"MEDIUM","fromSeverity":"MEDIUM"},"summary":"Now scored CVSS 5.3 MEDIUM (was 4.3)."}],"references":[{"url":"https://bugzilla.suse.com/show_bug.cgi?id=CVE-2026-78427","source":"meissner@suse.de"},{"url":"https://github.com/neuvector/neuvector/security/advisories/GHSA-78r4-3wfq-r2xm","source":"meissner@suse.de"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-78427","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."}