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EPSS 0.3%top 80%

CVE-2026-45290: CWE-770: Allocation of Resources Without Limits or Throttling in CloudburstMC Network

0
High
VulnerabilityCVE-2026-45290cvecve-2026-45290cwe-770
Published: 06/05/2026 (06/05/2026, 16:51:12 UTC)
Source: CVE Database V5
Vendor/Project: CloudburstMC
Product: Network

Description

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.

CVSS v3.1

Score 7.5high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected software

io.github.cloudburstmc/network
pkg:maven/io.github.cloudburstmc/network

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 06/13/2026, 09:33:34 UTC

Technical Analysis

The CloudburstMC Network library contains a CWE-770 vulnerability involving allocation of resources without limits or throttling. This flaw allows attackers to stall the netty event loop, rendering it inoperable and causing denial of service. The issue affects all versions prior to 1.0.0.CR3-20260417.085727-30. The vulnerability has a CVSS 3.1 base score of 7.5 (high severity) with network attack vector, low attack complexity, no privileges or user interaction required, and impacts availability only. No official remediation level or patch link is provided in the source data, but the advisory explicitly states that upgrading to at least version 1.0.0.CR3-20260417.085727-30 addresses the issue. No known exploits are reported in the wild.

Potential Impact

Exploitation of this vulnerability results in denial of service by stalling the netty event loop, making the affected network component inoperable. There is no impact on confidentiality or integrity. The attack can be performed remotely without authentication or user interaction.

Mitigation Recommendations

Upgrade all affected CloudburstMC Network library instances to version 1.0.0.CR3-20260417.085727-30 or later. No other workarounds or mitigations are known or recommended. Patch status is not explicitly confirmed by a vendor advisory, but the description clearly states that upgrading to the specified version resolves the issue.

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Technical Details

Data Version
5.2
Assigner Short Name
GitHub_M
Date Reserved
2026-05-11T20:14:43.201Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
null

Threat ID: 6a230879e29bf47b509b6ded

Added to database: 06/05/2026, 17:33:45 UTC

Last enriched: 06/13/2026, 09:33:34 UTC

Last updated: 07/31/2026, 19:22:59 UTC

Views: 91

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