CVSS VectorNVD
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
9DescriptionNVD
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.
AnalysisAI
LinkStack up to version 4.8.6 contains an authorization bypass vulnerability in the saveLink function of UserController.php that allows authenticated attackers to modify links belonging to other users via insecure direct object references (IDOR). The vulnerability affects the Management Endpoint and enables remote attackers with valid credentials to manipulate or delete arbitrary user links, with publicly available exploit code and an unmerged patch awaiting acceptance.
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-26449