CVE-2025-65032 Rallly Has an IDOR Vulnerability in Participant Rename Function Allows Unauthorized Modification of Other Users’ Names

Medium 6.5 Published 19 Nov 2025 Updated 19 Nov 2025

Authenticated users can modify other participants' display names in polls by manipulating the participantId parameter, violating data integrity.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-65032?

CVE-2025-65032 is a medium-severity missing authorization vulnerability in lukevella rallly, published on 19 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Rallly is an open-source scheduling and collaboration tool. Prior to version 4.5.4, an Insecure Direct Object Reference (IDOR) vulnerability allows any authenticated user to change the display names of other participants in polls without being an admin or the poll owner. By manipulating the participantId parameter in a rename request, an attacker can modify another user’s name, violating data integrity and potentially causing confusion or impersonation attacks. This issue has been patched in version 4.5.4.

Weakness: CWE-639

Which versions are affected by CVE-2025-65032?

It affects 1 product.

Products include Rallly Rallly.

How do I fix CVE-2025-65032?

No fix has been published for CVE-2025-65032 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2025-65032 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-65032 exists.

Sources

Also known as GHSA-q9m7-chfx-43xw.