{"id":"CVE-2026-4480","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-4480","generatedAt":"2026-10-28T09:26:32.585Z","title":"A remote attacker could exploit this vulnerability by sending a specially crafted print job description that contains unescaped shell characters.","description":"A flaw was found in the Samba printing subsystem. Samba passes the client-controlled job description string to the command configured with the \"print command\" setting via the \"%J\"\nsubstitution character without escaping shell meta characters. A remote attacker could exploit this vulnerability by sending a specially crafted print job description that contains unescaped shell characters. This could lead to remote code execution on the affected system.","published":"2026-05-26T15:16:41.000Z","lastModified":"2026-09-01T12:17:42.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"3.1","score":9,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H"},"cwe":["CWE-78"],"affected":["redhat/openshift container platform","samba/samba","redhat/enterprise linux"],"epss":{"score":0.1393,"percentile":0.96523,"date":"2026-10-27","history":[{"date":"2026-09-24","score":0.04307,"percentile":0.90776},{"date":"2026-10-02","score":0.1393,"percentile":0.96436}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 13.9%, higher than 97% of all known CVEs. Patch or mitigate before the next change window."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-10-02T00:00:00.000Z","detail":{"to":0.1393,"from":0.04307,"percentile":0.96436},"summary":"EPSS moved from 4.3% to 13.9% probability of exploitation in the next thirty days."}],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:22644","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:22963","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:25049","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:25979","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:28053","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:28054","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:28055","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:28056","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:28057","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:28058","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:28132","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2026-4480","tags":["Mitigation","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2452232","tags":["Issue Tracking","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://bugzilla.samba.org/show_bug.cgi?id=16033","tags":["Issue Tracking","Vendor Advisory"],"source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:22644","source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:22963","source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:25049","source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:25979","source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:28053","source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:28054","source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:28055","source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:28056","source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:28057","source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:28058","source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/errata/RHSA-2026:28132","source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://access.redhat.com/security/cve/CVE-2026-4480","tags":["Mitigation","Third Party Advisory"],"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2452232","tags":["Issue Tracking","Third Party Advisory"],"source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-4480.json","source":"0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-4480","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."}