VulnerabilityAnalyzed
CVE-2026-33026
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.
CRITICAL 9.4EPSS 0.33%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.33%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 4.0
- 9.4 CRITICALCVSS: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/M
- EPSS
- 0.33% probability · 26th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-312, CWE-347, CWE-354
- Affected
- nginxui/nginx ui
- Source
- security-advisories@github.com
References
- https://github.com/0xJacky/nginx-ui/releases/tag/v2.3.4Product, Release Notes
- https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-fhh2-gg7w-gwpqExploit, Mitigation, Vendor Advisory
- https://github.com/0xJacky/nginx-ui/security/advisories/GHSA-fhh2-gg7w-gwpqExploit, Mitigation, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.