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CVE-2026-55897— luci-app-advanced-reboot read ACL exposes /bin/sh through file.exec, allowing delegated users to run commands as root

一分钟漏洞结论

影响对象
openwrt luci
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

luci-app-advanced-reboot is a LuCI (web interface) application for OpenWrt that provides a way to reboot your router into an alternative firmware partition or perform reboot operations directly from the web UI. Prior to 1.1.2-6, the luci-app-advanced-reboot re

CVSS 8.8 · High EPSS 0.46% · P39

影响版本矩阵 1

厂商产品 版本范围状态
openwrt luci < 1.1.2-6 affected
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一、 漏洞 CVE-2026-55897 基础信息

漏洞信息

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Vulnerability Title
luci-app-advanced-reboot read ACL exposes /bin/sh through file.exec, allowing delegated users to run commands as root
来源: CVE Program / CVE List V5
Vulnerability Description
luci-app-advanced-reboot is a LuCI (web interface) application for OpenWrt that provides a way to reboot your router into an alternative firmware partition or perform reboot operations directly from the web UI. Prior to 1.1.2-6, the luci-app-advanced-reboot read ACL in applications/luci-app-advanced-reboot/root/usr/share/rpcd/acl.d/luci-app-advanced-reboot.json grants rpcd file.exec permission for the general shell interpreter /bin/sh. An authenticated delegated session with that read ACL can supply caller-controlled params; rpcd authorizes the executable path and passes those arguments to the shell, allowing arbitrary commands to execute as root. Builds without the /bin/sh exec grant, including the checked openwrt-24.10 and openwrt-23.05 branches, are not affected by this specific chain. This vulnerability is fixed in 1.1.2-6.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
来源: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
openwrt luci < 1.1.2-6 -

二、漏洞 CVE-2026-55897 的公开POC

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三、漏洞 CVE-2026-55897 的情报信息

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CVE-2026-55897 补丁与修复 (1)

CVE-2026-55897 其他参考 (1)

IV. Related Vulnerabilities

Same product: luci
Same vendor: openwrt
Same weakness: CWE-78

V. Comments for CVE-2026-55897

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