NATS JetStream has an authorization bypass through its Management API
### Background NATS.io is a high performance open source pub-sub distributed communication technology, built for the cloud, on-premise, IoT, and edge computing. The persistent storage feature, JetStream, has a management API which has many features, amongst which are backup and restore. ### Problem Description 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. ### Affected Versions Any version before v2.12.6 or v2.11.15 ### Workarounds If developers have configured users to have limited JetStream restore permissions, temporarily remove those permissions.
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Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2026-33222US | — | — | ||
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 resto… | ||||
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