CVE-2026-8155 BuddyPress < 14.5.0 - Subscriber+ Private Messages Disclosure via IDOR
Authenticated users can read, modify, or delete other users' private messages due to missing authorization checks in the BuddyPress plugin.
- 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-2026-8155?
CVE-2026-8155 is a medium-severity missing authorization vulnerability in Unknown BuddyPress, published on 31 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The BuddyPress WordPress plugin before 14.5.0 does not properly enforce authorization on its private messaging endpoints, allowing any authenticated user (Subscriber+) to read, modify, or delete other users' private messages.
Weakness: CWE-639
Which versions are affected by CVE-2026-8155?
How do I fix CVE-2026-8155?
No fix has been published for CVE-2026-8155 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-2026-8155 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-8155 exists.
Sources
Also known as GHSA-6pp9-x443-r8xw.