CVE-2026-92603 ContiNew Admin through 4.1.0 Unauthorized Message Deletion via UserMessageController
Authenticated users can delete other users' messages and announcements by bypassing ownership validation in the delete endpoint.
- 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-2026-92603?
CVE-2026-92603 is a high-severity missing authorization vulnerability in continew-org continew-admin, published on 16 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
ContiNew Admin through 4.1.0 contains an authorization bypass vulnerability in the personal message delete endpoint that allows authenticated users to delete other users' messages and announcements. Attackers can supply arbitrary message identifiers in the IdsReq parameter to remove any message row and purge all recipients' read receipts without ownership validation.
Weakness: CWE-639
Which versions are affected by CVE-2026-92603?
How do I fix CVE-2026-92603?
No fix has been published for CVE-2026-92603 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-2026-92603 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-92603 exists.
Sources
Also known as GHSA-8qc6-4wmj-p8f9.