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TI-2026-51067 Aliases CVE-2026-72841GHSA-x5wv-6f33-ph3p

luci-app-openvpn Path Traversal RCE via instance_name2

Priority HIGH 76CWE-73Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

luci-app-openvpn fails to properly validate the instance_name2 parameter during file upload, allowing authenticated users to perform path traversal and write arbitrary files outside the intended directory. Attackers can upload malicious payloads to gain persistent root code execution by placing SSH keys in system directories accessible on reboot.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00616 49th percentileScored 2026-11-07
Fix Fixed luci (openwrt): 24.10.7, 25.12.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
openwrtlucibefore 24.10.7; 25.12.0 to before 25.12.424.10.7, 25.12.4Patch availableCNA
  • luci Vendoropenwrt Affected before 24.10.7; 25.12.0 to before 25.12.4 Fixed in 24.10.7, 25.12.4 Patch available CNA

Remediation

  • Fix · CNA luci (openwrt) Fixed in 24.10.7, 25.12.4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-72841
  2. 2026-10-03 Alias added: GHSA-x5wv-6f33-ph3p

References

Advisory 1

  • TI-2026-79903 Stack buffer overflow in odhcpd DHCPv6 IA reply handling CVSS 3.1CRITICAL 9.8
  • TI-2024-13053 Improper input validation in MediaTek MT6890, MT7915, MT7916, MT7981, MT7986 CVSS 3.1CRITICAL 9.8
  • TI-2026-79901 Use-after-free in odhcpd DHCPv6 IA handling CVSS 4.0HIGH 8.8
  • TI-2026-48502 OpenWrt luci-app-bmx7 Path Traversal via bmx7-info CVSS 4.0HIGH 8.7
  • TI-2026-44407 luci-app-banip Log Monitor IP Extraction Bypass CVSS 4.0HIGH 8.7
  • TI-2026-44983 Cross-site scripting in openwrt CVSS 3.1CRITICAL 9.6
See all 168 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences