Vulnerabilities CVE-2026-59260

CVE-2026-59260

High

Open

TLP:CLEAR

OpenWrt luci-app-samba4 read ACL remote code execution via smbd

NVD CVE.org

Critical Infrastructure

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Description

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 options such as message command to a root smbd process, triggering command execution when SMB protocol messages are processed.

Details

CVSS Score: 8.7
EPSS Score ⓘ: 0.71%

50.4th percentile
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Confidence: 90%
Published: Jul 12, 2026
Last Modified: Jul 13, 2026

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