Vulnerability Details CVE-2026-33222
NATS-Server is a High-Performance server for NATS.io, a cloud and edge native messaging system. Prior to versions 2.11.15 and 2.12.6, users with JetStream admin API access to restore one stream could restore to other stream names, impacting data which should have been protected against them. Versions 2.11.15 and 2.12.6 contain a fix. As a workaround, if developers have configured users to have limited JetStream restore permissions, temporarily remove those permissions.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 5.3%
CVSS Severity
CVSS v3 Score 4.9
Products affected by CVE-2026-33222
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cpe:2.3:a:linuxfoundation:nats-server:-
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cpe:2.3:a:linuxfoundation:nats-server:0.5.1
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cpe:2.3:a:linuxfoundation:nats-server:0.5.2
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cpe:2.3:a:linuxfoundation:nats-server:0.5.4
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cpe:2.3:a:linuxfoundation:nats-server:0.5.6
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cpe:2.3:a:linuxfoundation:nats-server:0.6.0
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cpe:2.3:a:linuxfoundation:nats-server:0.6.2
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cpe:2.3:a:linuxfoundation:nats-server:0.6.4
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cpe:2.3:a:linuxfoundation:nats-server:0.6.6
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cpe:2.3:a:linuxfoundation:nats-server:0.6.8
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cpe:2.3:a:linuxfoundation:nats-server:0.7.0
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cpe:2.3:a:linuxfoundation:nats-server:0.7.2
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cpe:2.3:a:linuxfoundation:nats-server:0.8.0
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cpe:2.3:a:linuxfoundation:nats-server:0.8.1
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cpe:2.3:a:linuxfoundation:nats-server:0.9.2
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cpe:2.3:a:linuxfoundation:nats-server:0.9.4
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cpe:2.3:a:linuxfoundation:nats-server:0.9.6
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cpe:2.3:a:linuxfoundation:nats-server:1.0.0
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cpe:2.3:a:linuxfoundation:nats-server:1.0.2
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cpe:2.3:a:linuxfoundation:nats-server:1.0.4
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cpe:2.3:a:linuxfoundation:nats-server:1.0.6
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cpe:2.3:a:linuxfoundation:nats-server:1.1.0
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cpe:2.3:a:linuxfoundation:nats-server:1.2.0
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cpe:2.3:a:linuxfoundation:nats-server:1.3.0
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cpe:2.3:a:linuxfoundation:nats-server:1.4.0
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cpe:2.3:a:linuxfoundation:nats-server:1.4.1
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cpe:2.3:a:linuxfoundation:nats-server:2.0.0
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cpe:2.3:a:linuxfoundation:nats-server:2.0.2
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cpe:2.3:a:linuxfoundation:nats-server:2.0.4
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cpe:2.3:a:linuxfoundation:nats-server:2.1.0
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cpe:2.3:a:linuxfoundation:nats-server:2.1.2
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cpe:2.3:a:linuxfoundation:nats-server:2.1.4
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cpe:2.3:a:linuxfoundation:nats-server:2.1.6
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cpe:2.3:a:linuxfoundation:nats-server:2.1.7
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cpe:2.3:a:linuxfoundation:nats-server:2.1.8
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cpe:2.3:a:linuxfoundation:nats-server:2.1.9
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cpe:2.3:a:linuxfoundation:nats-server:2.10.0
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cpe:2.3:a:linuxfoundation:nats-server:2.10.1
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cpe:2.3:a:linuxfoundation:nats-server:2.10.10
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cpe:2.3:a:linuxfoundation:nats-server:2.10.11
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cpe:2.3:a:linuxfoundation:nats-server:2.10.12
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cpe:2.3:a:linuxfoundation:nats-server:2.10.14
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cpe:2.3:a:linuxfoundation:nats-server:2.10.16
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cpe:2.3:a:linuxfoundation:nats-server:2.10.17
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cpe:2.3:a:linuxfoundation:nats-server:2.10.18
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cpe:2.3:a:linuxfoundation:nats-server:2.10.19
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cpe:2.3:a:linuxfoundation:nats-server:2.10.2
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cpe:2.3:a:linuxfoundation:nats-server:2.10.20
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cpe:2.3:a:linuxfoundation:nats-server:2.10.21
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cpe:2.3:a:linuxfoundation:nats-server:2.10.22
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cpe:2.3:a:linuxfoundation:nats-server:2.10.23
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cpe:2.3:a:linuxfoundation:nats-server:2.10.24
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cpe:2.3:a:linuxfoundation:nats-server:2.10.25
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cpe:2.3:a:linuxfoundation:nats-server:2.10.26
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cpe:2.3:a:linuxfoundation:nats-server:2.10.27
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cpe:2.3:a:linuxfoundation:nats-server:2.10.28
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cpe:2.3:a:linuxfoundation:nats-server:2.10.29
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cpe:2.3:a:linuxfoundation:nats-server:2.10.3
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cpe:2.3:a:linuxfoundation:nats-server:2.10.4
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cpe:2.3:a:linuxfoundation:nats-server:2.10.5
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cpe:2.3:a:linuxfoundation:nats-server:2.10.6
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cpe:2.3:a:linuxfoundation:nats-server:2.10.7
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cpe:2.3:a:linuxfoundation:nats-server:2.10.8
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cpe:2.3:a:linuxfoundation:nats-server:2.10.9
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cpe:2.3:a:linuxfoundation:nats-server:2.11.0
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cpe:2.3:a:linuxfoundation:nats-server:2.11.1
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cpe:2.3:a:linuxfoundation:nats-server:2.11.10
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cpe:2.3:a:linuxfoundation:nats-server:2.11.11
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cpe:2.3:a:linuxfoundation:nats-server:2.11.12
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cpe:2.3:a:linuxfoundation:nats-server:2.11.2
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cpe:2.3:a:linuxfoundation:nats-server:2.11.3
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cpe:2.3:a:linuxfoundation:nats-server:2.11.4
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cpe:2.3:a:linuxfoundation:nats-server:2.11.5
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cpe:2.3:a:linuxfoundation:nats-server:2.11.6
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cpe:2.3:a:linuxfoundation:nats-server:2.11.7
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cpe:2.3:a:linuxfoundation:nats-server:2.11.8
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cpe:2.3:a:linuxfoundation:nats-server:2.11.9
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cpe:2.3:a:linuxfoundation:nats-server:2.12.0
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cpe:2.3:a:linuxfoundation:nats-server:2.12.1
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cpe:2.3:a:linuxfoundation:nats-server:2.12.2
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cpe:2.3:a:linuxfoundation:nats-server:2.12.3
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cpe:2.3:a:linuxfoundation:nats-server:2.12.4
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cpe:2.3:a:linuxfoundation:nats-server:2.12.5
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cpe:2.3:a:linuxfoundation:nats-server:2.2.0
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cpe:2.3:a:linuxfoundation:nats-server:2.2.1
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cpe:2.3:a:linuxfoundation:nats-server:2.2.2
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cpe:2.3:a:linuxfoundation:nats-server:2.2.3
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cpe:2.3:a:linuxfoundation:nats-server:2.2.4
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cpe:2.3:a:linuxfoundation:nats-server:2.2.5
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cpe:2.3:a:linuxfoundation:nats-server:2.2.6
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cpe:2.3:a:linuxfoundation:nats-server:2.3.0
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cpe:2.3:a:linuxfoundation:nats-server:2.3.1
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cpe:2.3:a:linuxfoundation:nats-server:2.3.2
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cpe:2.3:a:linuxfoundation:nats-server:2.3.3
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cpe:2.3:a:linuxfoundation:nats-server:2.3.4
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cpe:2.3:a:linuxfoundation:nats-server:2.4.0
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cpe:2.3:a:linuxfoundation:nats-server:2.5.0
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cpe:2.3:a:linuxfoundation:nats-server:2.6.0
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cpe:2.3:a:linuxfoundation:nats-server:2.6.1
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cpe:2.3:a:linuxfoundation:nats-server:2.6.2
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cpe:2.3:a:linuxfoundation:nats-server:2.6.3
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cpe:2.3:a:linuxfoundation:nats-server:2.6.4
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cpe:2.3:a:linuxfoundation:nats-server:2.6.5
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cpe:2.3:a:linuxfoundation:nats-server:2.6.6
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cpe:2.3:a:linuxfoundation:nats-server:2.7.0
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cpe:2.3:a:linuxfoundation:nats-server:2.7.1
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cpe:2.3:a:linuxfoundation:nats-server:2.7.2
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cpe:2.3:a:linuxfoundation:nats-server:2.7.3
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cpe:2.3:a:linuxfoundation:nats-server:2.7.4
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cpe:2.3:a:linuxfoundation:nats-server:2.8.0
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cpe:2.3:a:linuxfoundation:nats-server:2.8.1
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cpe:2.3:a:linuxfoundation:nats-server:2.8.2
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cpe:2.3:a:linuxfoundation:nats-server:2.8.3
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cpe:2.3:a:linuxfoundation:nats-server:2.8.4
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cpe:2.3:a:linuxfoundation:nats-server:2.9.0
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cpe:2.3:a:linuxfoundation:nats-server:2.9.1
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cpe:2.3:a:linuxfoundation:nats-server:2.9.10
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cpe:2.3:a:linuxfoundation:nats-server:2.9.11
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cpe:2.3:a:linuxfoundation:nats-server:2.9.12
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cpe:2.3:a:linuxfoundation:nats-server:2.9.14
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cpe:2.3:a:linuxfoundation:nats-server:2.9.15
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cpe:2.3:a:linuxfoundation:nats-server:2.9.16
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cpe:2.3:a:linuxfoundation:nats-server:2.9.17
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cpe:2.3:a:linuxfoundation:nats-server:2.9.18
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cpe:2.3:a:linuxfoundation:nats-server:2.9.19
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cpe:2.3:a:linuxfoundation:nats-server:2.9.2
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cpe:2.3:a:linuxfoundation:nats-server:2.9.20
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cpe:2.3:a:linuxfoundation:nats-server:2.9.21
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cpe:2.3:a:linuxfoundation:nats-server:2.9.22
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cpe:2.3:a:linuxfoundation:nats-server:2.9.23
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cpe:2.3:a:linuxfoundation:nats-server:2.9.3
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cpe:2.3:a:linuxfoundation:nats-server:2.9.4
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cpe:2.3:a:linuxfoundation:nats-server:2.9.5
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cpe:2.3:a:linuxfoundation:nats-server:2.9.6
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cpe:2.3:a:linuxfoundation:nats-server:2.9.7
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cpe:2.3:a:linuxfoundation:nats-server:2.9.8
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cpe:2.3:a:linuxfoundation:nats-server:2.9.9