CVE-2026-102475
Medium
Description
In Eclipse Vert.x versions [5.0.0,5.0.12] or [5.1.0,5.1.9] or [5.2.0, 5.2.0], the HTTP proxy provides a body transformer interceptor that relies on a max buffered bytes limit to ensure a bounded buffer for each request. This can be used to force a server to indefinitely allocate heap. This vulnerability requires to use an intercepting body transformer. The impacted component is io.vertx:vertx-http-proxy.
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.x5.1.10 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| eclipse vert.x | 5.0.0 ≤ v < 5.1.10, 5.2.0 | 5.1.10 |
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