What is CVE-2026-59260?

CVE-2026-59260 is a high-severity vulnerability in Openwrt Luci, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2026-07-12.

How severe is CVE-2026-59260?

High severity. CVSS v3 base score is 8.8 out of 10.

Privilege escalation in Openwrt Luci

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 opt…

Vulnerability class: Privilege Escalation

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Openwrt Luci

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

disclosure@vulncheck.com (vendor-advisory)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-59260?: CVE-2026-59260 is a high-severity vulnerability in Openwrt Luci, classified under Improper Privilege Management. CVSS score: 8.8/10. Published 2026-07-12.
How severe is CVE-2026-59260?: High severity. CVSS v3 base score is 8.8 out of 10.