CVE-2026-45291
Cloudburst Network erroneously handles invalid connections
Cloudburst Network provides network components used within Cloudburst projects. A vulnerability in versions prior to 1.0.0.CR3-20260418.124334-32 impacts publicly accessible software depending on the affected versions of Network and allows an attacker to exploit a bug in Network to close the parent netty channel, rendering it inoperable. All consumers of the library should upgrade to at least version 1.0.0.CR3-20260418.124334-32. There are no known workarounds beyond updating the library.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
7.5
Cloudburst Network erroneously handles invalid connections
Cloudburst Network provides network components used within Cloudburst projects. A vulnerability in versions prior to 1.0.0.CR3-20260418.124334-32 impacts publicly accessible software depending on the affected versions of Network and allows an attacker to exploit a bug in Network to close the parent netty channel, rendering it inoperable. All consumers of the library should upgrade to at least version 1.0.0.CR3-20260418.124334-32. There are no known workarounds beyond updating the library.
- Record
CVE-2026-45291- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2026-34862
7.5
Cloudburst Network provides network components used within Cloudburst projects. A vulnerability in versions prior to 1.0.0.CR3-20260418.124334-32 impacts publicly accessible software depending on the affected versions of Network and allows an attacker to exploit a bug in Network to close the parent netty channel, rendering it inoperable. All consumers of the library should upgrade to at least version 1.0.0.CR3-20260418.124334-32. There are no known workarounds beyond updating the library.
- Record
EUVD-2026-34862- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
NVD
7.5
Cloudburst Network provides network components used within Cloudburst projects. A vulnerability in versions prior to 1.0.0.CR3-20260418.124334-32 impacts publicly accessible software depending on the affected versions of Network and allows an attacker to exploit a bug in Network to close the parent netty channel, rendering it inoperable. All consumers of the library should upgrade to at least version 1.0.0.CR3-20260418.124334-32. There are no known workarounds beyond updating the library.
- Record
CVE-2026-45291- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-45291 is a high vulnerability (CVSS 7.5) in Cloudburstmc Network, published June 5, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.26%, the 18th percentile. No source names a fixed version.