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nats-serverGO-2026-4826

NATS: Message tracing can be redirected to arbitrary subject in github.com/nats-io/nats-server

UnratedCVE-2026-33249 · Published Mar 26, 2026 · updated Mar 30, 2026

Source advisory

Affected versions

PackageAffectedFixed in
github.com/nats-io/nats-server
Go
all versionsNo fix yet
Details and references

NATS: Message tracing can be redirected to arbitrary subject in github.com/nats-io/nats-server

Severity from
no source yet
Also known as
BIT-nats-2026-33249, CVE-2026-33249, GHSA-8m2x-3m6q-6w8j

More nats-server advisories

All
DateAdvisory
Mar 25NATS: Pre-auth remote server crash via WebSocket frame length overflow in wsRead
CVE-2026-27889High7.5no fix yet
Mar 26NATS credentials are exposed in monitoring port via command-line argv in github.com/nats-io/nats-server
CVE-2026-33247Unratedno fix yet
Mar 26NATS is vulnerable to MQTT hijacking via Client ID in github.com/nats-io/nats-server
CVE-2026-33215Unratedno fix yet
Mar 24NATS has mTLS verify_and_map authentication bypass via incorrect Subject DN matching
CVE-2026-33248Medium4.2no fix yet
Mar 24NATS: Leafnode connections allow spoofing of Nats-Request-Info identity headers
CVE-2026-33246Medium6.4no fix yet
Mar 24NATS Server: Incomplete Stripping of Nats-Request-Info Header Allows Identity Spoofing
CVE-2026-33223Medium6.4no fix yet

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