NA
Product
nats-server
26
CVEs
0
On KEV
8.8
Max CVSS
0
New 30D
Severity mix
Critical 0High 10Medium 16Low 0
Watch
Add nats-server to your stack to get only the CVEs that touch what you run.
| CVE | CVSS | Published | Summary · affected versions |
|---|---|---|---|
| CVE-2026-58253 | 8.8 | Jul 8 | NATS Server: Route API Auth Bypass Affected: < 2.11.16; >= 2.12.0-preview.1, < 2.12.6 |
| CVE-2026-58208 | 7.5 | Jul 8 | NATS Server: MQTT-over-WebSocket Path Can Crash WebSocket-Only JetStream Servers Before MQTT Is Enabled Affected: >= 2.14.0-RC.1, < 2.14.3; < 2.12.12 |
| CVE-2026-58210 | 7.5 | Jul 8 | NATS Server: MQTT partial CONNECT packets can exhaust pre-auth memory Affected: < 2.12.12; >= 2.14.0-RC.1, < 2.14.3 |
| CVE-2026-58250 | 7.5 | Jul 8 | NATS Server: Pre-auth server crash via double INFO in leafnode handshake Affected: < 2.11.17; >= 2.12.0-preview.1, < 2.12.8 |
| CVE-2026-33218 | 7.5 | Mar 25 | NATS has pre-auth server panic via leafnode handling Affected: < < 2.11.15; >= 2.12.0-RC.1, < 2.12.6 |
| CVE-2026-33216 | 7.5 | Mar 25 | NATS has MQTT plaintext password disclosure Affected: < 2.11.15; >= 2.12.0-RC.1, < 2.12.6 |
| CVE-2026-29785 | 7.5 | Mar 25 | NATS Server panic via malicious compression on leafnode port Affected: < 2.11.14; >= 2.12.0-RC.1, < 2.12.5 |
| CVE-2026-27889 | 7.5 | Mar 25 | NATS: Pre-auth remote server crash via WebSocket frame length overflow in wsRead Affected: >= 2.2.0, < 2.11.14; >= 2.12.0, < 2.12.5 |
| CVE-2026-27571 | 7.5 | Feb 24 | nats-server websockets are vulnerable to pre-auth memory DoS Affected: < 2.11.12; >= 2.12.0-RC.1, < 2.12.3 |
| CVE-2026-58213 | 7.1 | Jul 8 | NATS Server: MQTT SUBSCRIBE Protocol Injection via Leaf Node/Route Forwarding allows arbitrary NATS command injection Affected: < 2.12.9; >= 2.14.0-RC.1, < 2.14.1 |
| CVE-2026-58207 | 6.5 | Jul 8 | NATS Server: Remote crash via integer overflow in Connz pagination Affected: < 2.12.12; >= 2.14.0-RC.1, < 2.14.3 |
| CVE-2026-58254 | 6.5 | Jul 8 | NATS Server: Incomplete fix for CVE-2026-33249: Leaf node connections bypass Nats-Trace-Dest permission check Affected: < 2.12.8; >= 2.14.0-RC.1, < 2.14.3 |
| CVE-2026-58252 | 6.5 | Jul 8 | NATS Server: Subscribe Authz Bypass via Wildcard-Overlap Affected: < 2.11.16; >= 2.12.0-preview.1, < 2.12.7 |
| CVE-2026-58251 | 6.5 | Jul 8 | NATS Server: Queue Subscribe Authz Bypass Affected: < 2.11.16; >= 2.12.0-RC.1, < 2.12.7 |
| CVE-2026-33217 | 6.5 | Mar 25 | NATS allows MQTT clients to bypass ACL checks Affected: < 2.11.15; >= 2.12.0-RC.1, < 2.12.6 |
| CVE-2026-33215 | 6.5 | Mar 24 | NATS is vulnerable to MQTT hijacking via Client ID Affected: < 2.11.15; >= 2.12.0-RC.1, < 2.12.6 |
| CVE-2026-58211 | 5.4 | Jul 8 | NATS Server: `no_auth_user` pre-CONNECT fast path bypasses user connection restrictions Affected: < 2.12.12; >= 2.14.0-RC.1, < 2.14.3 |
| CVE-2026-33223 | 5.4 | Mar 25 | NATS Server: Incomplete Stripping of Nats-Request-Info Header Allows Identity Spoofing Affected: < 2.11.15; >= 2.12.0-RC.1, < 2.12.6 |
| CVE-2026-33246 | 5.4 | Mar 25 | NATS: Leafnode connections allow spoofing of Nats-Request-Info identity headers Affected: < 2.11.15; >= 2.12.0-RC.1, < 2.12.6 |
| CVE-2026-33247 | 5.3 | Mar 25 | NATS credentials are exposed in monitoring port via command-line argv Affected: < 2.11.15; >= 2.12.0-RC.1, < 2.12.6 |
| CVE-2026-33219 | 5.3 | Mar 25 | NATS is vulnerable to pre-auth DoS through WebSockets client service Affected: < 2.11.15; >= 2.12.0-RC.1, < 2.12.6 |
| CVE-2026-33222 | 4.9 | Mar 25 | NATS JetStream has an authorization bypass through its Management API Affected: < 2.11.15; >= 2.12.0-RC.1, < 2.12.6 |
| CVE-2026-58209 | 4.3 | Jul 8 | NATS Server: MQTT retained and QoS replay bypass subscribe deny filters Affected: < 2.12.12; >= 2.14.0-RC.1, < 2.14.3 |
| CVE-2026-58214 | 4.3 | Jul 8 | NATS Server: MQTT subscribe ACL bypass via $MQTT.deliver.pubrel prefix (incomplete fix for CVE-2026-33217) Affected: < 2.12.12; >= 2.14.0-RC.1, < 2.14.3 |
| CVE-2026-33249 | 4.3 | Mar 25 | NATS: Message tracing can be redirected to arbitrary subject Affected: >= 2.11.0, < 2.11.15; >= 2.12.0-preview.1, < 2.12.6 |
| CVE-2026-33248 | 4.2 | Mar 25 | NATS has mTLS verify_and_map authentication bypass via incorrect Subject DN matching Affected: < 2.11.15; >= 2.12.0-RC.1, < 2.12.6 |
Showing 26