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CVE-2026-56547— An input reflection vulnerability affects HCL Traveler

Quick assessment

Affected
HCLSoftware Traveler
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.

为 Apple 内置的邮件、日历和联系人账户生成的 Apple 配置文件，旨在与 HCL Traveler 同步。该配置文件需要在其中嵌入“登录名称”和“邮件地址”。由于这些值在生成后无法修改，因此 Apple 配置文件生成页面会提示用户输入这些值，并将它们回显到生成的 Apple 配置文件中。 若缺少这些额外信息，Apple 配置文件将不可用；此时攻击者只能针对自己的设备进行攻击。但 HCL Traveler 至少应验证提交并回显在 Apple 配置文件中的值是否与当前已认证用户在 Domino 目录条目中的信息

CVSS 3.5 · Low

Affected Version Matrix 1

VendorProduct Version RangeStatus
HCLSoftware Traveler <14.5.1.1 affected
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I. Basic Information for CVE-2026-56547

Vulnerability Information
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Vulnerability Title
An input reflection vulnerability affects HCL Traveler
Source: CVE Program / CVE List V5
Vulnerability Description
The Apple profile generated for the Apple built-in Mail, Calendar and Contacts account to synchronize with HCL Traveler requires the Logon Name and Mail Address to be embedded in them.  The values cannot be changed later on, so the Apple profile generation page asks for those values and reflects them back in the generated Apple profile.  The Apple profile is not usable without additional information and only allows the attacker to attack their own device, but HCL Traveler could at least check that the values submitted and reflected back in the Apple profile are found in the Domino directory entry for the already authenticated user.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
HCLSoftware Traveler <14.5.1.1 -

II. Public POCs for CVE-2026-56547

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III. Intelligence Information for CVE-2026-56547

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Vendor Advisories for CVE-2026-56547 (1)

Same Patch Batch · HCLSoftware · 2026-08-26 · 6 CVEs total

CVE-2026-21810 4.4 MEDIUM HCL BigFix Quantum Risk Analyzer is affected by a hardcoded external resource reference an
CVE-2026-21808 4.1 MEDIUM HCL BigFix Quantum Risk Analyzer is affected by logging sensitive information
CVE-2026-21809 3.9 LOW HCL BigFix Quantum Risk Analyzer is affected by generating error messages with sensitive i
CVE-2026-21807 3.9 LOW HCL BigFix Quantum Risk Analyzer is affected by a stack-based buffer overflow
CVE-2025-62341 3.7 LOW HCL Connections is vulnerable to server-side request forgery (SSRF)

IV. Related Vulnerabilities

Same product: Traveler
Same vendor: HCLSoftware
Same weakness: CWE-20

V. Comments for CVE-2026-56547

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