AIKIDO-2025-10224
github.com/nats-io/nats-server/v2 is vulnerable to Authentication Bypass
90
Critical Risk
This Affects:
github.com/nats-io/nats-server/v2TL;DR
Affected versions of this package are vulnerable to a critical issue tracked as CVE-2025-30215. This patch resolves the vulnerability by correctly validating the calling account on various system API calls and enforcing system and account limits during JetStream stream restore operations.
Who does this affect?
You are affected if you are using a version that falls within the vulnerable range.
Background info
github.com/nats-io/nats-server/v2 is vulnerable to Authentication Bypass in versions 2.2.0 - 2.10.26 and 2.11.0 - 2.11.0.
How to fix this
Upgrade the github.com/nats-io/nats-server/v2 library to the patch version.
Links
GitHub Release
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