CVE-2026-21790— HCL Traveler is susceptible to a weak default HTTP header validation vulnerability
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I. Basic Information for CVE-2026-21790
Vulnerability Information
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Vulnerability Title
HCL Traveler is susceptible to a weak default HTTP header validation vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
HCL Traveler is susceptible to a weak default HTTP header validation vulnerability, which could allow an attacker to bypass additional authentication checks.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
源验证错误
Source: NVD (National Vulnerability Database)
Vulnerability Title
HCL Traveler 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HCL Traveler是印度HCL公司的一款软件。用于在 HCL Domino 服务器和无线手持设备之间提供自动、双向、无线同步。 HCL Traveler存在安全漏洞，该漏洞源于HTTP标头验证较弱，可能导致攻击者绕过额外身份验证检查。
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 |
|---|---|---|---|---|
| HCLSoftware | Traveler | < 14.5.1.0 | - |
II. Public POCs for CVE-2026-21790
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
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V. Comments for CVE-2026-21790
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