CVE-2026-7502 LinkStackOrg LinkStack Management Endpoint UserController.php saveLink authorization
Attackers can bypass authorization in the saveLink function to modify links without proper permissions in LinkStack.
- 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-2026-7502?
CVE-2026-7502 is a medium-severity missing authorization vulnerability in LinkStackOrg LinkStack, published on 30 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security vulnerability has been detected in LinkStackOrg LinkStack up to 4.8.6. The affected element is the function saveLink of the file app/Http/Controllers/UserController.php of the component Management Endpoint. The manipulation leads to authorization bypass. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The pull request to fix this issue awaits acceptance.
Which versions are affected by CVE-2026-7502?
How do I fix CVE-2026-7502?
No fix has been published for CVE-2026-7502 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-2026-7502 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7502 exists.
Sources
Also known as GHSA-mg7g-g2wv-6mhr.