CVE-2026-107806 Nginx UI - Command Injection

Nginx UI 2.3.8 to 2.5.0 contains a command injection caused by trusting attacker-controlled backup key material and manifest in /api/restore, letting authenticated administrators execute arbitrary commands, exploit requires active secure session.

CVSS base score 9.4 /10
Critical
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Required
EPSS
0.33% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Command Injection
Impact
Remote Code Execution, Data Tampering, Denial Of Service, Information Disclosure
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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
Published
9 October 2026
Updated
15 October 2026
Weakness
CWE-94

Vendor fix

Update to version 2.5.0 or later.

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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