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CVE-2025-65021— Rallly Has Unauthorized Poll Finalization via Insecure Direct Object Reference (IDOR)

Quick assessment

Affected
lukevella rallly
Exploitation
Public or AI PoC available; prioritize validation
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，该漏洞源于投票完成功能存在不安全的直接对象引用，可能导致未经授权的投票完成。

CVSS 9.1 · Critical EPSS 0.38% · P31

Possible ATT&CK Techniques 1 AI

T1078.001 · Default Accounts
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I. Basic Information for CVE-2025-65021

Vulnerability Information
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Vulnerability Title
Rallly Has Unauthorized Poll Finalization via Insecure Direct Object Reference (IDOR)
Source: CVE Program / CVE List V5
Vulnerability Description
Rallly is an open-source scheduling and collaboration tool. Prior to version 4.5.4, an Insecure Direct Object Reference (IDOR) vulnerability exists in the poll finalization feature of the application. Any authenticated user can finalize a poll they do not own by manipulating the pollId parameter in the request. This allows unauthorized users to finalize other users’ polls and convert them into events without proper authorization checks, potentially disrupting user workflows and causing data integrity and availability issues. 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:N/UI:N/S:U/C:N/I:H/A:H
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，该漏洞源于投票完成功能存在不安全的直接对象引用，可能导致未经授权的投票完成。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
lukevella rallly < 4.5.4 -

II. Public POCs for CVE-2025-65021

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 6846 chars
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III. Intelligence Information for CVE-2025-65021

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Vendor Advisories for CVE-2025-65021 (1)

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

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-2025-65031 6.5 MEDIUM Rallly Improper Authorization in Comment Endpoint Allows User Impersonation
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-2025-65021

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