CVE-2026-58652

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 v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.6 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
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

Configurations

No configuration.

History

No history.

Information

Published : 2026-07-02 13:17

Updated : 2026-08-28 16:18

NVD link : CVE-2026-58652

Mitre link : CVE-2026-58652

CVE.ORG link : CVE-2026-58652

JSON object : View

Products Affected

No product.

CWE

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

{"id": "CVE-2026-58652", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-58652", "role": "CISA Coordinator", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-07-02T13:16:39.810703Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.6}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 7.7, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "vectorString": "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:X/V:X/RE:X/U:X", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "HIGH", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "disclosure@vulncheck.com", "affectedData": [{"vendor": "openwrt", "product": "luci-app-travelmate", "versions": [{"status": "affected", "version": "2.4.5-r3", "versionType": "custom"}], "defaultStatus": "affected"}, {"vendor": "openwrt", "product": "travelmate", "versions": [{"status": "affected", "version": "2.4.5-r3", "versionType": "custom"}, {"status": "affected", "version": "2.4.6-1", "versionType": "custom"}], "defaultStatus": "affected"}]}], "published": "2026-07-02T13:17:00.300", "references": [{"url": "https://github.com/openwrt/luci/commit/f85102548ee8325bfd581a0327b210b5f7670829", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/openwrt/luci/security/advisories/GHSA-p35r-3323-6g7g", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/openwrt/packages/commit/0627b412ee3a760cc4bca9fc8a5b73de8f33ac10", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/openwrt/packages/commit/491f1df06645c4e0757fed4a9f0622e9ce0d300c", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/openwrt/packages/commit/71d92bcc9edbc8f95858ce82a8ff5d52500005a2", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/openwrt/packages/commit/d6e457a1a70a9010195edeafdc0b8eb6e3b0f7f1", "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/luci-app-travelmate-arbitrary-command-execution-via-uci-script-parameter", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/openwrt/luci/security/advisories/GHSA-p35r-3323-6g7g", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-78"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-08-28T16:18:18.433", "sourceIdentifier": "disclosure@vulncheck.com"}