CVE-2025-65021 - CVE House
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Status published Critical CVE-2025-65021

Rallly Has Unauthorized Poll Finalization via Insecure Direct Object Reference (IDOR)

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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CVE-2025-65034
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CVE-2025-65033
Rallly Broken Authorization: Any User Can Pause or Resume Any Poll via Poll ID Manipulation
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CVE-2025-65032
Rallly Has an IDOR Vulnerability in Participant Rename Function Allows Unauthorized Modification of Other Users’ Names
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CVE-2025-65031
Rallly Improper Authorization in Comment Endpoint Allows User Impersonation
Medium 6.5

Affected Vendor

Affected Software

rallly
Vulnerable Versions:
< 4.5.4

Timeline

Official Publish: November 19th, 2025
Last Modified: November 19th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

Weaknesses (CWE)

CWE-285 CWE-862 CWE-639

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1078 Valid Accounts
Persistence
T1548 Abuse Elevation Control Mechanism
Privilege Escalation
T1021 Remote Services
Lateral Movement
T1098 Account Manipulation
Defense Evasion
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1531 Account Access Removal
Impact
T1213 Data from Information Repositories
Collection