CVE-2026-59260

highCVSS 8.8covered by 1 sourcefirst seen 2026-07-12

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.

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Exploitation outlook

Low exploitation risk0.71% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 51% of all EPSS-scored CVEs.

Advisory coverage (1)

highCVE-2026-59260: OpenWrt luci-app-samba4 read ACL grants file.exec permission on /usr/sbin/smbd, allowing authe…nvd · 2026-07-12

External references

NVD record for CVE-2026-59260

CVE.org record

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