CVE-2026-65054 MediaCMS Private Media Metadata Disclosure via Playlist Ownership Loophole
Authenticated users can expose private media metadata of other users by adding arbitrary media tokens to their own playlists without proper ownership validation.
- 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-2026-65054?
CVE-2026-65054 is a high-severity missing authorization vulnerability in MediaCMS, published on 21 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
MediaCMS 8.2.0 contains an information disclosure vulnerability that allows authenticated users to expose private media metadata belonging to other users by adding arbitrary media tokens to their own playlist without access control checks. Attackers can issue a PUT request to the playlist API endpoint with a known media token to bypass state and ownership validation, then retrieve the playlist to read private media fields including title, description, view count, like count, file size, author username, and encoding status through the unfiltered playlist owner branch in the playlist detail view.
Weakness: CWE-863
Which versions are affected by CVE-2026-65054?
How do I fix CVE-2026-65054?
No fix has been published for CVE-2026-65054 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-2026-65054 being exploited?
There is no known exploitation of CVE-2026-65054 in the wild and no public exploit code.
Sources
Also known as GHSA-363p-gjpv-2pxq.