Vulnerability Details CVE-2026-102475
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 17.0%
CVSS Severity
CVSS v3 Score 5.9
References
Products affected by CVE-2026-102475
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cpe:2.3:a:eclipse:vert.x:5.0.0
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cpe:2.3:a:eclipse:vert.x:5.0.1
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cpe:2.3:a:eclipse:vert.x:5.0.10
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cpe:2.3:a:eclipse:vert.x:5.0.11
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cpe:2.3:a:eclipse:vert.x:5.0.12
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cpe:2.3:a:eclipse:vert.x:5.0.2
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cpe:2.3:a:eclipse:vert.x:5.0.3
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cpe:2.3:a:eclipse:vert.x:5.0.4
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cpe:2.3:a:eclipse:vert.x:5.0.5
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cpe:2.3:a:eclipse:vert.x:5.0.6
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cpe:2.3:a:eclipse:vert.x:5.0.7
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cpe:2.3:a:eclipse:vert.x:5.0.8
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cpe:2.3:a:eclipse:vert.x:5.0.9
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cpe:2.3:a:eclipse:vert.x:5.1.0
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cpe:2.3:a:eclipse:vert.x:5.1.1
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cpe:2.3:a:eclipse:vert.x:5.1.2
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cpe:2.3:a:eclipse:vert.x:5.1.3
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cpe:2.3:a:eclipse:vert.x:5.1.4
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cpe:2.3:a:eclipse:vert.x:5.1.5
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cpe:2.3:a:eclipse:vert.x:5.1.8
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cpe:2.3:a:eclipse:vert.x:5.1.9
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cpe:2.3:a:eclipse:vert.x:5.2.0