CVE-2026-33026
nginx-ui Backup Restore Allows Tampering with Encrypted Backups
9.1CVSSCRITICAL
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 Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:LAttack ComplexityLow
PR:HPrivileges RequiredHigh
UI:NUser InteractionNone
Scope
S:CScopeChanged
Impact
C:HConfidentialityHigh
I:HIntegrityHigh
A:HAvailabilityHigh
Weaknesses
Affected Products
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
Attack Graph
Products CVE Techniques Tactics
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Exploitability
Official Patch Available
Workaround Available
MITRE ATT&CK
2 techniques Collection
Credential Access
References
Timeline
Published
Mar 30, 2026
Last Updated
Apr 1, 2026
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