tocsin

CVE-2026-33218

4 advisories.

Go/github.com/nats-io/nats-server/v2 CVE-2026-33218: high 7.5, EPSS 0.88%

NATS has pre-auth server panic via leafnode handling

Action: Upgrade github.com/nats-io/nats-server/v2 to 2.11.15 or later.

go get github.com/nats-io/nats-server/v2@v2.11.15
go get github.com/nats-io/nats-server/v2@v2.12.6

Affected

introducedfixedlast affected
02.11.15-
2.12.0-RC.12.12.6-

Fixed versions

2.11.152.12.6

Sources

CVE-2026-33218 · published · modified · JSON

Go/github.com/nats-io/nats-server CVE-2026-33218: high 7.5, EPSS 0.88%

NATS has pre-auth server panic via leafnode handling

Action: No fix published. Pin and monitor.

Affected

introducedfixedlast affected
0--

Fixed versions

No fixed version in the source.

Sources

CVE-2026-33218 · published · modified · JSON

Go/github.com/nats-io/nats-server CVE-2026-33218: unknown, EPSS 0.88%

NATS has pre-auth server panic via leafnode handling in github.com/nats-io/nats-server

Action: No fix published. Pin and monitor.

Affected

introducedfixedlast affected
0--

Fixed versions

No fixed version in the source.

Sources

CVE-2026-33218 · published · modified · JSON

Go/github.com/nats-io/nats-server/v2 CVE-2026-33218: unknown, EPSS 0.88%

NATS has pre-auth server panic via leafnode handling in github.com/nats-io/nats-server

Action: Upgrade github.com/nats-io/nats-server/v2 to 2.11.15 or later.

go get github.com/nats-io/nats-server/v2@v2.11.15
go get github.com/nats-io/nats-server/v2@v2.12.6

Affected

introducedfixedlast affected
02.11.15-
2.12.0-RC.12.12.6-

Fixed versions

2.11.152.12.6

Sources

CVE-2026-33218 · published · modified · JSON