CVE-2026-33026
CRITICALnginx-ui Backup Restore Allows Tampering with Encrypted Backups
Title source: cnaDescription
Nginx UI is a web user interface for the Nginx web server. Prior to version 2.3.4, the nginx-ui backup restore mechanism allows attackers to tamper with encrypted backup archives and inject malicious configuration during restoration. This issue has been patched in version 2.3.4.
References (2)
Core 2
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-fhh2-gg7w-gwpq
X_Refsource_Misc x_refsource_misc
https://github.com/0xJacky/nginx-ui/releases/tag/v2.3.4
Scores
CVSS v3
9.1
EPSS
0.0033
EPSS Percentile
24.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
total
Details
CWE
CWE-312
CWE-347
CWE-354
Status
published
Products (3)
0xJacky/Nginx-UI
0Go
0xJacky/nginx-ui
< 2.3.4
nginxui/nginx_ui
< 2.3.4
Published
Mar 30, 2026
Tracked Since
Mar 31, 2026