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CVE-2026-12606

Quick assessment

Affected
Eclipse Foundation Eclipse GlassFish
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.

Eclipse Foundation Eclipse Glassfish是Eclipse Foundation的应用服务器。 Eclipse Glassfish存在输入验证错误漏洞，该漏洞源于无法正确解析特制trailer标头的trailer部分，可能导致HTTP请求夹带攻击。以下版本受到影响：4.0.0版本、4.0.1版本、4.0.2版本、5.0.0版本和5.0.1版本。

CVSS 6.3 · Medium EPSS 0.30% · P20

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

VendorProduct Version RangeStatus
Eclipse Foundation Eclipse GlassFish 4.0.0≤ 4.0.2 affected
5.0.0< 5.0.2 affected
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I. Basic Information for CVE-2026-12606

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Eclipse Grizzly in versions before 5.0.2, cannot properly parse the trailer section in malformed trailer header's line, which can be leveraged to perform HTTP request smuggling. Grizzly 5.0.1 supports system properties that enable the behavior that fixes the vulnerability - set org.glassfish.grizzly.http.STRICT_HEADER_NAME_VALIDATION_RFC_9110 and org.glassfish.grizzly.http.STRICT_HEADER_VALUE_VALIDATION_RFC_9110 system properties to "true".
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
HTTP请求的解释不一致性(HTTP请求私运)
Source: CVE Program / CVE List V5
Vulnerability Title
Eclipse Glassfish 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Eclipse Foundation Eclipse Glassfish是Eclipse Foundation的应用服务器。 Eclipse Glassfish存在输入验证错误漏洞，该漏洞源于无法正确解析特制trailer标头的trailer部分，可能导致HTTP请求夹带攻击。以下版本受到影响：4.0.0版本、4.0.1版本、4.0.2版本、5.0.0版本和5.0.1版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Eclipse Foundation Eclipse GlassFish 4.0.0 ~ 4.0.2 -

II. Public POCs for CVE-2026-12606

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III. Intelligence Information for CVE-2026-12606

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Vendor Advisories for CVE-2026-12606 (1)

Same Patch Batch · Eclipse Foundation · 2026-07-14 · 10 CVEs total

CVE-2026-57898 9.0 CRITICAL Eclipse BaSyx Java Server SDK 路径遍历漏洞
CVE-2024-7708 7.5 HIGH Eclipse Jetty 资源管理错误漏洞
CVE-2026-6790 5.3 MEDIUM Eclipse Jetty 输入验证错误漏洞
CVE-2026-8384 5.3 MEDIUM Eclipse jetty 授权问题漏洞
CVE-2026-13699 4.3 MEDIUM Databroker 0.6.1 PublishValue missing data_point panic
CVE-2026-15076 Eclipse Vert.x 输入验证错误漏洞
CVE-2026-15075 Eclipse vert.x 信息泄露漏洞
CVE-2026-9561 Eclipse kura 输入验证错误漏洞
CVE-2026-10051 Eclipse Jetty 信息泄露漏洞

IV. Related Vulnerabilities

Same product: Eclipse GlassFish
Same vendor: Eclipse Foundation
Same weakness: CWE-444

V. Comments for CVE-2026-12606

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