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CVE-2025-65031— Rallly Improper Authorization in Comment Endpoint Allows User Impersonation

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 4.5.4之前版本存在安全漏洞，该漏洞源于评论创建功能存在授权缺陷，可能导致用户冒充攻击。

CVSS 6.5 · Medium EPSS 0.25% · P17

Possible ATT&CK Techniques 1 AI

T1134 · Access Token Manipulation
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I. Basic Information for CVE-2025-65031

Vulnerability Information
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Vulnerability Title
Rallly Improper Authorization in Comment Endpoint Allows User Impersonation
Source: CVE Program / CVE List V5
Vulnerability Description
Rallly is an open-source scheduling and collaboration tool. Prior to version 4.5.4, an improper authorization flaw in the comment creation endpoint allows authenticated users to impersonate any other user by altering the authorName field in the API request. This enables attackers to post comments under arbitrary usernames, including privileged ones such as administrators, potentially misleading other users and enabling phishing or social engineering attacks. This issue has been patched in version 4.5.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不恰当
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 4.5.4之前版本存在安全漏洞，该漏洞源于评论创建功能存在授权缺陷，可能导致用户冒充攻击。
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
lukevella rallly < 4.5.4 -

II. Public POCs for CVE-2025-65031

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III. Intelligence Information for CVE-2025-65031

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Vendor Advisories for CVE-2025-65031 (1)

Same Patch Batch · lukevella · 2025-11-19 · 9 CVEs total

CVE-2025-65021 9.1 CRITICAL Rallly Has Unauthorized Poll Finalization via Insecure Direct Object Reference (IDOR)
CVE-2025-65029 8.1 HIGH Rallly Has an IDOR Vulnerability in Participant Deletion Endpoint Allows Unauthorized Remo
CVE-2025-65034 8.1 HIGH Rallly Improper Authorization Allows Reopening of Any Finalized Poll via Public pollId
CVE-2025-65033 8.1 HIGH Rallly Broken Authorization: Any User Can Pause or Resume Any Poll via Poll ID Manipulatio
CVE-2025-65030 7.1 HIGH Rallly Improper Authorization in Comment Deletion Endpoint Allows Unauthorized Comment Rem
CVE-2025-65020 6.5 MEDIUM Rallly Has Unauthorized Poll Duplication via Insecure Direct Object Reference (IDOR)
CVE-2025-65028 6.5 MEDIUM Rallly Has an IDOR Vulnerability in Vote Update Endpoint Allows Unauthorized Manipulation
CVE-2025-65032 6.5 MEDIUM Rallly Has an IDOR Vulnerability in Participant Rename Function Allows Unauthorized Modifi

IV. Related Vulnerabilities

Same product: rallly
Same vendor: lukevella
Same weakness: CWE-285

V. Comments for CVE-2025-65031

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