| Title | LinkStackOrg LinkStack 4.8.6 Authorization Bypass |
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| Description | The application accepts user-supplied link IDs in multiple endpoints without verifying that the authenticated user owns the referenced link, allowing any registered user to modify, reorder, or delete resources belonging to other users. The pull request with the fix https://github.com/LinkStackOrg/LinkStack/pull/975/changes
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| Source | ⚠️ https://github.com/az10b/security-advisories/blob/main/idor_linkstack.md |
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| User | AliAz (UID 74624) |
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| Submission | 04/10/2026 07:05 (3 months ago) |
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| Moderation | 04/30/2026 16:38 (20 days later) |
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| Status | Accepted |
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| VulDB entry | 360312 [LinkStackOrg LinkStack up to 4.8.6 Management Endpoint UserController.php saveLink authorization] |
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| Points | 19 |
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