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CVE

CVE-2026-42221

Nginx-UI: Unauthenticated First-Run Installer Allows Remote Initial Admin Claim in github.com/0xJacky/Nginx-UI
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CVE

CVE-2026-42221

Nginx-UI: Unauthenticated First-Run Installer Allows Remote Initial Admin Claim in github.com/0xJacky/Nginx-UI

Nginx-UI: Unauthenticated First-Run Installer Allows Remote Initial Admin Claim 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 from v2.0.0 before v2.3.8.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
8.1
-
3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
C
H
U
0
-
C
H
U
-

Related Resources

No items found.

References

https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-h27v-ph7w-m9fp, https://nvd.nist.gov/vuln/detail/CVE-2026-42221, https://github.com/0xJacky/nginx-ui/releases/tag/v2.3.8

Severity

9.8

CVSS Score
0
10

Basic Information

Base CVSS
9.8
EPSS Probability
0.00346%
EPSS Percentile
0.26801%
Introduced Version
0
Fix Available

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