CVE-2026-33026 | BDVDB-2026-323740 Detail

0xJackynginx-ui

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.

Impact#

Per CVSS v4.0: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-312 Cleartext Storage of Sensitive Information
CWE-347 Improper Verification of Cryptographic Signature
CWE-354 Improper Validation of Integrity Check Value

References#

Exploit#

No public exploit known

History#

Version 12026-03-30Record published in the CVE List.
Version 22026-03-31Most recent update recorded in the CVE List.

Published

Published: 2026-03-30
Last modified: 2026-03-31

Vendor information

Vendor: 0xJacky
Product: nginx-ui

All 0xJacky vulnerabilities

Score

9.4 Critical

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 26.9.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 2.3.4
Fixed
Not stated

Scoring System

CVSS v4.0

9.4 Critical

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Attack Requirements	None
Privileges Required	High
User Interaction	None
Vulnerable System Confidentiality	High
Vulnerable System Integrity	High
Vulnerable System Availability	High
Subsequent System Confidentiality	High
Subsequent System Integrity	High
Subsequent System Availability	High

CVSS v3.1

Not available

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).