CVE-2026-42238
Nginx-UI is Vulnerable to Unauthenticated Remote Code Execution via Backup Restore in github.com/0xJacky/nginx-ui
9.8
CRITICAL
CVSS 3.1
EPSS 0.76%
Description
Nginx-UI is Vulnerable to Unauthenticated Remote Code Execution via Backup Restore in github.com/0xJacky/nginx-ui. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: github.com/0xJacky/nginx-ui before v2.3.8.
How to fix CVE-2026-42238
To remediate CVE-2026-42238, upgrade the affected package to a fixed version below.
- —upgrade to 2.3.8 or later
- —no fix listed
Is CVE-2026-42238 being exploited?
Low — EPSS is 0.8%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.3.8
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H |
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |