CVE-2026-33222

ADVISORY - github

Summary

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.

Common Weakness Enumeration (CWE)

ADVISORY - nist

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