CVE-2026-18035 User Access Manager < 2.3.15 - Unauthenticated Restricted Content Disclosure via REST API
Unauthenticated attackers can bypass access restrictions to read restricted content via the REST API in the User Access Manager plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-18035?
CVE-2026-18035 is a medium-severity missing authorization vulnerability in Unknown User Access Manager, published on 12 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The User Access Manager WordPress plugin before 2.3.15 does not apply its access restrictions to REST API requests, allowing unauthenticated attackers to read the content of posts, pages and custom post types that have been restricted to specific user groups.
Weakness: CWE-862
Which versions are affected by CVE-2026-18035?
How do I fix CVE-2026-18035?
No fix has been published for CVE-2026-18035 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-2026-18035 being exploited?
There is no known exploitation of CVE-2026-18035 in the wild and no public exploit code.
Sources
Also known as GHSA-x37j-q2h4-mfmw.