# NATS vulnerabilities

Source: https://junglewise.ai/threats/vendors/nats  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/vendors/nats.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in NATS: 0 in the last 7 days and 0 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2025-30215, was published on 15 April 2025. 1 technology has a page of its own.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 3 (1 critical, 0 exploited in the wild)

## About NATS

An open-source messaging system project for cloud native applications and microservices.

## Latest NATS vulnerabilities

- [CVE-2025-30215: NATS Server authorization bypass in JetStream admin APIs](https://junglewise.ai/threats/cve-2025-30215-nats-server-authorization-bypass-in-jetstream-admin-apis) (critical, CVSS 9.6, published 15 Apr 2025)
- [NATS nats.js TLS credential disclosure in CONNECT message](https://junglewise.ai/threats/nats-nats-js-tls-credential-disclosure-in-connect-message-edcc2c14) (info, CVSS 7.5, published 6 Apr 2021)
- [CVE-2020-26149: NATS JavaScript client TLS private key exposure](https://junglewise.ai/threats/cve-2020-26149-nats-javascript-client-tls-private-key-exposure) (low, CVSS 3.1, published 8 Oct 2020)

## Most severe NATS vulnerabilities

- [CVE-2025-30215: NATS Server authorization bypass in JetStream admin APIs](https://junglewise.ai/threats/cve-2025-30215-nats-server-authorization-bypass-in-jetstream-admin-apis) (critical, CVSS 9.6, published 15 Apr 2025)
- [CVE-2020-26149: NATS JavaScript client TLS private key exposure](https://junglewise.ai/threats/cve-2020-26149-nats-javascript-client-tls-private-key-exposure) (low, CVSS 3.1, published 8 Oct 2020)
- [NATS nats.js TLS credential disclosure in CONNECT message](https://junglewise.ai/threats/nats-nats-js-tls-credential-disclosure-in-connect-message-edcc2c14) (info, CVSS 7.5, published 6 Apr 2021)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## NATS technologies

- [NATS Server](https://junglewise.ai/threats/technologies/nats-server): 20 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "NATS vulnerabilities", https://junglewise.ai/threats/vendors/nats, 9 November 2026.