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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.

HCL Traveler是印度HCL公司的一款移动设备邮件同步软件。 HCL Traveler 14.5.1.1之前版本存在输入验证错误漏洞，该漏洞源于Apple profile生成页面未充分验证提交的登录名和邮件地址是否与已认证用户的Domino目录条目匹配，并将其反射到生成的Apple profile中，攻击者仅可能利用该profile攻击自己的设备。

CVSS 3.5 · Low EPSS 0.28% · P19

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
Vulnerability Title
HCL Traveler 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
HCL Traveler是印度HCL公司的一款移动设备邮件同步软件。 HCL Traveler 14.5.1.1之前版本存在输入验证错误漏洞，该漏洞源于Apple profile生成页面未充分验证提交的登录名和邮件地址是否与已认证用户的Domino目录条目匹配，并将其反射到生成的Apple profile中，攻击者仅可能利用该profile攻击自己的设备。
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 <14.5.1.1 -

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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