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Vulnerability record · CVE-2026-58652 · published 2 July 2026

CVE-2026-58652: OS command injection vulnerability

luci-app-travelmate (and the travelmate package) contain a privilege-escalation flaw: a LuCI/rpcd session holding the luci-app-travelmate write ACL is granted config-wide UCI write access to the travelmate configuration. While the LuCI UI restricts the auto-login script picker to /etc/travelmate/*.login, this is only a frontend restriction. The backend travelmate service (running as root) reads the raw UCI 'script' and 'script_args' values and executes the configured path when the captive-portal auto-login branch (f_check() in travelmate-functions.sh) is reached. An attacker with delegated write permissions can set script to /bin/sh and script_args to attacker-controlled arguments, resulting in arbitrary command execution as root. Confirmed in luci-app-travelmate/travelmate 2.4.5-r3; the sink is still present in travelmate 2.4.6-1 and no patched version is known.

7.7 CVSS 4.0 High EPSS 0.80% · top 45.1% CWE-78 · OS command injection Deferred
7.7CVSS 4.0 base score
0.80%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
8References
28 Aug 2026Last modified by NVD

Description

luci-app-travelmate (and the travelmate package) contain a privilege-escalation flaw: a LuCI/rpcd session holding the luci-app-travelmate write ACL is granted config-wide UCI write access to the travelmate configuration. While the LuCI UI restricts the auto-login script picker to /etc/travelmate/*.login, this is only a frontend restriction. The backend travelmate service (running as root) reads the raw UCI 'script' and 'script_args' values and executes the configured path when the captive-portal auto-login branch (f_check() in travelmate-functions.sh) is reached. An attacker with delegated write permissions can set script to /bin/sh and script_args to attacker-controlled arguments, resulting in arbitrary command execution as root. Confirmed in luci-app-travelmate/travelmate 2.4.5-r3; the sink is still present in travelmate 2.4.6-1 and no patched version is known.

CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

LinkTags
https://github.com/openwrt/luci/commit/f85102548ee8325bfd581a0327b210b5f7670829
https://github.com/openwrt/luci/security/advisories/GHSA-p35r-3323-6g7g
https://github.com/openwrt/packages/commit/0627b412ee3a760cc4bca9fc8a5b73de8f33ac10
https://github.com/openwrt/packages/commit/491f1df06645c4e0757fed4a9f0622e9ce0d300c
https://github.com/openwrt/packages/commit/71d92bcc9edbc8f95858ce82a8ff5d52500005a2
https://github.com/openwrt/packages/commit/d6e457a1a70a9010195edeafdc0b8eb6e3b0f7f1
https://www.vulncheck.com/advisories/luci-app-travelmate-arbitrary-command-execution-via-uci-script-parameter
https://github.com/openwrt/luci/security/advisories/GHSA-p35r-3323-6g7g

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Source: NIST National Vulnerability Database (record CVE-2026-58652), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.