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CVE-2026-19863

Quick assessment

Affected
Eclipse Foundation
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.

在使用 EthereumAuthenticator 时，如果请求路径中包含已配置的登录路径，未经身份验证的客户端可以访问某些受保护的资源。 该漏洞的成因是：身份验证器在识别登录页面时使用了非锚定的子字符串匹配。因此，当登录路径作为后缀出现在受保护请求路径的后半部分时，该请求可能被误认为登录页面，其认证或角色要求将被替换为 ALLOWED（允许访问）。 利用此漏洞的前提是：受保护资源的路径必须以配置的登录路径作为其后缀路径段。明确标记为 FORBIDDEN（禁止访问）的路由不受此漏洞影响。

CVSS 9.3 · Critical EPSS 0.54% · P44

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts

Affected Version Matrix 1

VendorProduct Version RangeStatus
Eclipse Foundation None 12.1.0≤ 12.1.12 affected
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I. Basic Information for CVE-2026-19863

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
An unauthenticated client may access certain protected resources when using EthereumAuthenticator if the request path contains the configured login path. This is caused by the authenticator using an unanchored substring match when identifying the login page. If the login path appears later within a protected request path, the request may be treated as the login page and its authentication or role requirement replaced with ALLOWED. Exploitation requires the protected resource path to contain the configured login path as a later segment. Explicitly FORBIDDEN routes are not affected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用候选路径或通道进行的认证绕过
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Eclipse Foundation - 12.1.0 ~ 12.1.12 -

II. Public POCs for CVE-2026-19863

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III. Intelligence Information for CVE-2026-19863

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Other References for CVE-2026-19863 (2)

Same Patch Batch · Eclipse Foundation · 2026-10-15 · 25 CVEs total

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-2026-102461 8.7 HIGH Eclipse Vert.x DoS漏洞：JSON Schema验证算法缺陷
CVE-2026-102477 8.7 HIGH Vert.x gRPC-server配置压缩限制绕过致压缩炸弹攻击
CVE-2026-102475 8.7 HIGH Eclipse Vert.x 5.x HTTP代理内存溢出漏洞
CVE-2026-102467 8.7 HIGH Vert.x 4.0.0-5.2.0空字节限制致DDoS
CVE-2026-102462 8.2 HIGH Vert.x MSSQL Client多个版本OOM漏洞
CVE-2026-102466 8.2 HIGH Eclipse Vert.x MySQL客户端拒绝服务漏洞
CVE-2026-102464 8.2 HIGH Eclipse Vert.x MQTT未受限存储致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-2026-103223 8.2 HIGH Eclipse Vert.x 4-5 PostgreSQL客户端缓冲区溢出致OOM
CVE-2026-103224 8.2 HIGH Vert.x MySQL客户端多个版本存在OOM漏洞
CVE-2026-102465 8.2 HIGH Vert.x MySQL Client越界数组分配致OOM漏洞
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-2026-18659 6.9 MEDIUM Unauthenticated authorization bypass in ConstraintSecurityHandler - HTTP method-omission m
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-2026-19864 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

Same vendor: Eclipse Foundation
Same weakness: CWE-288

V. Comments for CVE-2026-19863

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