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

Medium 6.5 Published Updated

Authenticated users can impersonate others by modifying the author name in comment requests, enabling social engineering and misleading users.

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-2025-65031?

CVE-2025-65031 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 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.

Weakness: CWE-639, CWE-285

Which versions are affected by CVE-2025-65031?

It affects 1 product.

Products include Rallly Rallly.

How do I fix CVE-2025-65031?

No fix has been published for CVE-2025-65031 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-2025-65031 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-65031 exists.

Sources

Also known as GHSA-hhfc-6gq7-rrpm.

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