Nats-server
31 CVEs tracked. None of them is in CISA KEV.
This hub aggregates every CVE we track for Nats-server, a product in the ai ml space. Use it to gauge the current risk picture and drill into individual advisories.
Nats-server CVEs per month
| Month | CVEs |
|---|---|
| 2024-10 | 0 |
| 2024-11 | 0 |
| 2024-12 | 0 |
| 2025-01 | 0 |
| 2025-02 | 0 |
| 2025-03 | 0 |
| 2025-04 | 1 |
| 2025-05 | 0 |
| 2025-06 | 0 |
| 2025-07 | 0 |
| 2025-08 | 0 |
| 2025-09 | 0 |
| 2025-10 | 0 |
| 2025-11 | 0 |
| 2025-12 | 0 |
| 2026-01 | 0 |
| 2026-02 | 1 |
| 2026-03 | 13 |
| 2026-04 | 0 |
| 2026-05 | 0 |
| 2026-06 | 0 |
| 2026-07 | 12 |
| 2026-08 | 0 |
| 2026-09 | 0 |
Severity
How the 31 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.
- Critical3
- High12
- Medium16
Latest CVEs
The 15 most recently published vulnerabilities affecting Nats-server.
- CVE-2026-58208NATS Server: MQTT-over-WebSocket Path Can Crash WebSocket-Only JetStream Servers Before MQTT Is Enabled6.8
- CVE-2026-58211NATS Server: `no_auth_user` pre-CONNECT fast path bypasses user connection restrictions5.4
- CVE-2026-58207NATS Server: Remote crash via integer overflow in Connz pagination7.7
- CVE-2026-58210NATS Server: MQTT partial CONNECT packets can exhaust pre-auth memory7.5
- CVE-2026-58209NATS Server: MQTT retained and QoS replay bypass subscribe deny filters4.3
- CVE-2026-58214NATS Server: MQTT subscribe ACL bypass via $MQTT.deliver.pubrel prefix (incomplete fix for CVE-2026-33217)4.3
- CVE-2026-58254NATS Server: Incomplete fix for CVE-2026-33249: Leaf node connections bypass Nats-Trace-Dest permission check6.5
- CVE-2026-58213NATS Server: MQTT SUBSCRIBE Protocol Injection via Leaf Node/Route Forwarding allows arbitrary NATS command injection7.1
- CVE-2026-58250NATS Server: Pre-auth server crash via double INFO in leafnode handshake7.5
- CVE-2026-58252NATS Server: Subscribe Authz Bypass via Wildcard-Overlap6.5
- CVE-2026-58253NATS Server: Route API Auth Bypass8.8
- CVE-2026-58251NATS Server: Queue Subscribe Authz Bypass6.5
- CVE-2026-33249NATS: Message tracing can be redirected to arbitrary subject4.3
- CVE-2026-33223NATS Server: Incomplete Stripping of Nats-Request-Info Header Allows Identity Spoofing6.4
- CVE-2026-33248NATS has mTLS verify_and_map authentication bypass via incorrect Subject DN matching4.2
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