CVE-2025-66027— Rallly Information Disclosure Vulnerability in Participant API Leaks Names and Emails Despite Pro Privacy Settings
Quick assessment
Affected
lukevella rallly
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.
Rallly是Luke Vella个人开发者的一款日程安排和协作工具，旨在更轻松地组织活动和会议。 Rallly 4.5.6之前版本存在安全漏洞，该漏洞源于/api/trpc/polls.get,polls.participants.list端点信息披露，可能导致隐私泄露。
Possible ATT&CK Techniques 1 AI
T1530 · Data from Cloud Storage
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I. Basic Information for CVE-2025-66027
Vulnerability Information
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Vulnerability Title
Rallly Information Disclosure Vulnerability in Participant API Leaks Names and Emails Despite Pro Privacy Settings
Source: CVE Program / CVE List V5
Vulnerability Description
Rallly is an open-source scheduling and collaboration tool. Prior to version 4.5.6, an information disclosure vulnerability exposes participant details, including names and email addresses through the /api/trpc/polls.get,polls.participants.list endpoint, even when Pro privacy features are enabled. This bypasses intended privacy controls that should prevent participants from viewing other users’ personal information. This issue has been patched in version 4.5.6.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Rallly 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rallly是Luke Vella个人开发者的一款日程安排和协作工具，旨在更轻松地组织活动和会议。 Rallly 4.5.6之前版本存在安全漏洞，该漏洞源于/api/trpc/polls.get,polls.participants.list端点信息披露，可能导致隐私泄露。
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
II. Public POCs for CVE-2025-66027
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IV. Related Vulnerabilities
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Same vendor: lukevella
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Same weakness: CWE-200
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V. Comments for CVE-2025-66027
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