CVE-2026-11907 Missing authorization in Stream – Activity Log & Audit Trail
Authenticated subscribers can access all Stream activity records via the Heartbeat API due to missing authorization checks.
- 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-2026-11907?
CVE-2026-11907 is a medium-severity missing authorization vulnerability in xwp Stream – Activity Log & Audit Trail, published on 7 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Stream plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.2.0. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to access all Stream activity records via the Heartbeat API.
Weakness: CWE-862
Which versions are affected by CVE-2026-11907?
How do I fix CVE-2026-11907?
No fix has been published for CVE-2026-11907 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-2026-11907 being exploited?
There is no known exploitation of CVE-2026-11907 in the wild and no public exploit code.
Sources
Also known as GHSA-vq9h-6p44-rphw.