CVE-2026-102467

In Eclipse Vert.x versions [4.0.0, 4.5.34] or [5.0.0,5.0.12] or [5.1.0,5.1.9] or [5.2.0, 5.2.0], the WebSocket implementation does not define a maximum number of bytes allocation when decompressing frames or messages. This can be used to implement DDOS attacks with a zip bomb. The impacted component is io.vertx:vertx-core.

CVSS v3 5.9 MEDIUM

5.9^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/eclipse-vertx/vert.x/security/advisories/GHSA-h722-h6c2-6j3c	Vendor Advisory
https://gitlab.eclipse.org/security/cve-assignment/-/work_items/341	Issue Tracking Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:eclipse:vert.x::::::::
	cpe:2.3:a:eclipse:vert.x::::::::
	cpe:2.3:a:eclipse:vert.x:5.2.0:::::::*

History

20 Oct 2026, 19:30

Type	Values Removed	Values Added
CPE		cpe:2.3:a:eclipse:vert.x:::::::: cpe:2.3:a:eclipse:vert.x:5.2.0:::::::*
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.9
First Time		Eclipse Eclipse vert.x
References	~~() https://github.com/eclipse-vertx/vert.x/security/advisories/GHSA-h722-h6c2-6j3c -~~	() https://github.com/eclipse-vertx/vert.x/security/advisories/GHSA-h722-h6c2-6j3c - Vendor Advisory
References	~~() https://gitlab.eclipse.org/security/cve-assignment/-/work_items/341 -~~	() https://gitlab.eclipse.org/security/cve-assignment/-/work_items/341 - Issue Tracking, Third Party Advisory

15 Oct 2026, 15:17

Type	Values Removed	Values Added
CWE		CWE-770

15 Oct 2026, 08:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-15 08:16

Updated : 2026-10-20 19:30

NVD link : CVE-2026-102467

Mitre link : CVE-2026-102467

CVE.ORG link : CVE-2026-102467

JSON object : View

Products Affected

eclipse

vert.x

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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