CVE-2026-102467
Medium
Description
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.
SeverityMedium
CVSS5.9
Exploit probability—
ProductEclipse Vert.x
PublishedOct 15, 2026
First seenOct 15, 2026
Weakness typeCWE-770Allocation of resources without limits
How to fix
Update
- eclipse vert.x4.5.35, 5.1.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| eclipse vert.x | 4.5.0 ≤ v < 4.5.35, 5.0.0 ≤ v < 5.1.10, 5.2.0 | 4.5.35, 5.1.10 |
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