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TI-2026-33090 Aliases CVE-2026-45290

Cloudburst Network has DoS in RakNet connection handling due to missing bound checks

Priority LOW 39CWE-770Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-770.

Summary

Cloudburst Network provides network components used within Cloudburst projects. A vulnerability in versions prior to `1.0.0.CR3-20260417.085727-30` impacts publicly accessible software depending on the affected versions of Network and allows an attacker to exploit a vulnerability in Network to stall the netty event loop, rendering it inoperable. All consumers of the library should upgrade to at least version `1.0.0.CR3-20260417.085727-30`. There are no known workarounds beyond updating the library.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00278 20th percentileScored 2026-11-07
Fix Fixed Network (CloudburstMC): 1.0.0.CR3-20260417.085727-30

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CloudburstMCNetworkbefore 1.0.0.CR3-20260417.085727-301.0.0.CR3-20260417.085727-30Patch availableCNA
  • Network VendorCloudburstMC Affected before 1.0.0.CR3-20260417.085727-30 Fixed in 1.0.0.CR3-20260417.085727-30 Patch available CNA

Remediation

  • Fix · CNA Network (CloudburstMC) Fixed in 1.0.0.CR3-20260417.085727-30

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-45290

References

Other 1

  • TI-2024-19995 Cloudburst Network DoS in RakNet connection handling CVSS 3.1HIGH 8.6
  • TI-2026-33091 Cloudburst Network erroneously handles invalid connections CVSS 3.1HIGH 7.5
  • TI-2026-33089 CloudburstMC Protocol: Partially missing validation for FULL type authentication tokens CVSS 3.1MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences