CVE-2026-59260

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.

CVSS 4.0

8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CVSS 3.1

8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

0.9% chance of exploitation in the next 30 days; higher than 58% of CVEs (scores of 2026-10-25)

CWE

CWE-269

Published

2026-07-12

Modified

2026-10-24

Record from

the NVD, synced 2026-10-25

References

• https://github.com/openwrt/luci/security/advisories/GHSA-vx64-mmp7-h36c
• https://www.vulncheck.com/advisories/openwrt-luci-app-samba4-read-acl-remote-code-execution-via-smbd
• https://github.com/openwrt/luci/security/advisories/GHSA-vx64-mmp7-h36c

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