CVE-2026-79314 x-ui - Privilege Escalation

x-ui 0.3.2 contains a horizontal privilege escalation caused by lack of ownership verification in inbound proxy configuration update path, letting authenticated users modify other users' proxy settings, exploit requires authentication.

CVSS base score 8.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.30% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Privilege Escalation
Impact
Data Tampering, Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
22 September 2026
Updated
15 October 2026
Weakness
CWE-284

Vendor fix

Update to the latest version with proper ownership verification in update path.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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