CVE-2026-17542 Bit File Manager < 6.9.1 - Subscriber+ Sensitive Data Disclosure via bitapps_fm_connector
Authenticated subscribers can bypass capability checks to browse the WordPress directory and download sensitive files via the file manager connector.
- 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-2026-17542?
CVE-2026-17542 is a high-severity missing authorization vulnerability in Unknown File Manager, published on 10 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The File Manager WordPress plugin before 6.9.1 does not perform any capability check on one of its file manager connector endpoints, allowing any authenticated user, such as a subscriber, to browse the entire WordPress installation directory and download files of certain types from it, including archives and documents which may contain sensitive data.
Weakness: CWE-200
Which versions are affected by CVE-2026-17542?
How do I fix CVE-2026-17542?
No fix has been published for CVE-2026-17542 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-2026-17542 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-17542 exists.