CVE-2026-102477
Quick assessment
Affected
Eclipse Foundation Eclipse Vert.x
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 Eclipse Vert.x 的以下版本中：[4.0.0, 4.5.34]、[5.0.0, 5.0.12]、[5.1.0, 5.1.9] 或 [5.2.0, 5.2.0]，gRPC 端点虽然配置了按消息字节数计算的最大接收大小，但该限制仅作用于接收到的原始字节数（即压缩后的数据）。当处理压缩消息时，该最大尺寸限制仅适用于压缩后的大小，而不适用于解压缩后实际内容的大小。攻击者可以利用这一缺陷，迫使 gRPC 端点分配超出配置所定义大小的内存资源，从而导致端点易受压缩炸弹攻击（compression bomb at
Possible ATT&CK Techniques 1 AI
T1496 · Resource HijackingAffected Version Matrix 4
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Eclipse Foundation | Eclipse Vert.x | 4.0.0≤ 4.5.34 |
affected |
5.0.0≤ 5.0.12 |
affected | ||
5.1.0≤ 5.1.9 |
affected | ||
5.2.0 |
affected |
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I. Basic Information for CVE-2026-102477
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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], a gRPC endpoint does have a configurable per message maximum size in bytes, however the maximum size applies to the received bytes. When applied to a compressed message, this only applies to the compressed size and not the actual size of the uncompressed content. This can be used to force a gRPC endpoint to allocate more bytes than the value defined by the configuration, making the endpoint vulnerable to compression bomb attacks.
The impacted component is io.vertx:vertx-gprc-server.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Eclipse Foundation | Eclipse Vert.x | 4.0.0 ~ 4.5.34 | - |
|
II. Public POCs for CVE-2026-102477
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2026-102477 (2)
Same Patch Batch · Eclipse Foundation · 2026-10-15 · 25 CVEs total
| CVE-2026-19863 | 9.3 CRITICAL | EthereumAuthenticator未授权访问漏洞 |
| CVE-2026-102469 | 9.2 CRITICAL | CVE-2026-102469 |
| CVE-2026-18660 | 8.8 HIGH | Jetty proxy blacklist performs case-sensitive matching of case-insensitive DNS hostnames |
| CVE-2026-18661 | 8.8 HIGH | Eclipse Jetty 多个版本 Jakarta安全约束绕过漏洞 |
| CVE-2026-102467 | 8.7 HIGH | Vert.x 4.0.0-5.2.0空字节限制致DDoS |
| CVE-2026-102475 | 8.7 HIGH | Eclipse Vert.x 5.x HTTP代理内存溢出漏洞 |
| CVE-2026-102461 | 8.7 HIGH | Eclipse Vert.x DoS漏洞：JSON Schema验证算法缺陷 |
| CVE-2026-76184 | 8.2 HIGH | Eclipse Jetty HttpClient重定向认证头泄露漏洞 |
| CVE-2026-77711 | 8.2 HIGH | Jetty HttpClient代理凭据泄露漏洞 |
| CVE-2026-102465 | 8.2 HIGH | Vert.x MySQL Client越界数组分配致OOM漏洞 |
| CVE-2026-103224 | 8.2 HIGH | Vert.x MySQL客户端多个版本存在OOM漏洞 |
| CVE-2026-103223 | 8.2 HIGH | Eclipse Vert.x 4-5 PostgreSQL客户端缓冲区溢出致OOM |
| CVE-2026-102463 | 8.2 HIGH | Eclipse Vertx多版本vertx-pg-client数组解码内存耗尽漏洞 |
| CVE-2026-102464 | 8.2 HIGH | Eclipse Vert.x MQTT未受限存储致OOM |
| CVE-2026-102466 | 8.2 HIGH | Eclipse Vert.x MySQL客户端拒绝服务漏洞 |
| CVE-2026-102462 | 8.2 HIGH | Vert.x MSSQL Client多个版本OOM漏洞 |
| CVE-2026-76182 | 6.9 MEDIUM | Jetty TryPathsHandler/Filter路径解析逻辑漏洞 |
| CVE-2026-18662 | 6.9 MEDIUM | Jetty安全组件URL模式为空时约束冲突漏洞 |
| CVE-2026-18659 | 6.9 MEDIUM | Unauthenticated authorization bypass in ConstraintSecurityHandler - HTTP method-omission m |
| CVE-2026-19864 | 5.6 MEDIUM | Eclipse Jetty会话认证凭据明文存储漏洞 |
Showing top 20 of 25 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
V. Comments for CVE-2026-102477
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