# CloudburstMC vulnerabilities

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

Junglewise Threat Intelligence has tracked 3 vulnerabilities in CloudburstMC: 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-45291, was published on 5 June 2026. 1 technology has a page of its own.

## Counts

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

## About CloudburstMC

CloudburstMC is an open-source organization that develops software for Minecraft: Bedrock Edition, including the Nukkit server software.

## Latest CloudburstMC vulnerabilities

- [CVE-2026-45291: Cloudburst Network denial of service via parent Netty channel closure](https://junglewise.ai/threats/cve-2026-45291-cloudburst-network-denial-of-service-via-parent-netty-channel) (high, CVSS 7.5, published 5 Jun 2026)
- [CVE-2026-45290: Cloudburst Network DoS in RakNet connection handling](https://junglewise.ai/threats/cve-2026-45290-cloudburst-network-dos-in-raknet-connection-handling) (high, CVSS 7.5, published 5 Jun 2026)
- [CVE-2026-45289: CloudburstMC Protocol improper authentication in FULL type tokens](https://junglewise.ai/threats/cve-2026-45289-cloudburstmc-protocol-improper-authentication-in-full-type-tokens) (medium, CVSS 5.3, published 2 Jun 2026)

## Most severe CloudburstMC vulnerabilities

- [CVE-2026-45291: Cloudburst Network denial of service via parent Netty channel closure](https://junglewise.ai/threats/cve-2026-45291-cloudburst-network-denial-of-service-via-parent-netty-channel) (high, CVSS 7.5, published 5 Jun 2026)
- [CVE-2026-45290: Cloudburst Network DoS in RakNet connection handling](https://junglewise.ai/threats/cve-2026-45290-cloudburst-network-dos-in-raknet-connection-handling) (high, CVSS 7.5, published 5 Jun 2026)
- [CVE-2026-45289: CloudburstMC Protocol improper authentication in FULL type tokens](https://junglewise.ai/threats/cve-2026-45289-cloudburstmc-protocol-improper-authentication-in-full-type-tokens) (medium, CVSS 5.3, published 2 Jun 2026)

## 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 |

## CloudburstMC technologies

- [CloudburstMC Network](https://junglewise.ai/threats/technologies/network): 3 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, "CloudburstMC vulnerabilities", https://junglewise.ai/threats/vendors/cloudburstmc, 9 November 2026.