CVE-2026-28354 ClipBucket v5 has IDOR in Collection Item Management
Authenticated attackers can modify other users' collection items due to missing authorization checks in ClipBucket v5.
- 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-2026-28354?
CVE-2026-28354 is a medium-severity missing authorization vulnerability in MacWarrior clipbucket-v5, published on 27 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
ClipBucket v5 is an open source video sharing platform. Prior to version 5.5.3 #59, collection item operations are vulnerable to authorization flaws, allowing a normal authenticated user to modify another user’s collection items. This affects both add item (/actions/add_to_collection.php) due to missing authorization checks and delete item (/manage_collections.php?mode=manage_items...) due to a broken ownership check in removeItemFromCollection(). As a result, attackers can insert and remove items from collections they do not own. Version 5.5.3 #59 fixes the issue.
Which versions are affected by CVE-2026-28354?
It affects 1 product.
Products include Oxygenz Clipbucket.
How do I fix CVE-2026-28354?
No fix has been published for CVE-2026-28354 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-2026-28354 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-28354 exists.
Other vulnerabilities in MacWarrior clipbucket-v5
- CVE-2026-21875 ClipBucket v5 Vulnerable to Blind SQL Injection through Channel Comments
- CVE-2025-67418 Hardcoded credentials in n/a
- CVE-2025-21624 ClipBucket V5 Playlist Cover File Upload to Remote Code Execution
- CVE-2024-54135 Untrusted Deserialization in ClipBucket-v5 Version 2.0 to 5.5.1 Revision 199
- CVE-2024-54136 Untrusted Deserialization in ClipBucket-v5 Version 5.5.1 Revision 199 and Below