{"id":"CVE-2026-59260","title":"OpenWrt luci-app-samba4 read ACL grants file.exec permission on /usr/sbin/smbd, allowing authenticated delegated users to execute the Samba daemon with caller-controlled command-line arguments","summary":"OpenWrt luci-app-samba4 read ACL grants file.exec permission on /usr/sbin/smbd, allowing authenticated delegated users to execute the Samba daemon with caller-controlled command-line arguments. Attackers can pass arbitrary Samba global o…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-269"],"vendor":"openwrt","product":"luci","affected":["luci < 24.10.8","luci >= 25.12.0 < 25.12.5"],"published":"2026-07-12","updated":"2026-09-30","sourceUpdated":"2026-09-30T18:18:38.137","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-59260","references":[{"url":"https://github.com/openwrt/luci/security/advisories/GHSA-vx64-mmp7-h36c","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/openwrt-luci-app-samba4-read-acl-remote-code-execution-via-smbd","label":"disclosure@vulncheck.com"},{"url":"https://github.com/openwrt/luci/security/advisories/GHSA-vx64-mmp7-h36c","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","cve.org","exploit-available"],"epss":0.00875,"epssPercentile":0.58767,"exploitAvailable":true,"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"total","timestamp":"2026-07-13T15:10:26.958671Z"},"ingestedAt":"2026-07-12T12:20:14.056Z","slug":"CVE-2026-59260","body":"## Overview\n\nOpenWrt luci-app-samba4 read ACL grants file.exec permission on /usr/sbin/smbd, allowing authenticated delegated users to execute the Samba daemon with caller-controlled command-line arguments. Attackers can pass arbitrary Samba global options such as message command to a root smbd process, triggering command execution when SMB protocol messages are processed.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":61,"depthScoreParts":{"impact":48.4,"likelihood":0.2,"exploitation":12,"ransomware":0},"changes":[{"seq":213850,"id":"CVE-2026-59260","ts":1790792441372,"field":"exploit_available","old":"false","new":"true"}]}