CVE-2026-7502

MEDIUM

LinkStackOrg LinkStack Management Endpoint UserController.php saveLink authorization

Title source: cna

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.

References (7)

[Vdb Entry, Technical Description] https://vuldb.com/vuln/360312

[Signature, Permissions Required] https://vuldb.com/vuln/360312/cti

[Third Party Advisory] https://vuldb.com/submit/801787

[Patch] https://github.com/LinkStackOrg/LinkStack/pull/975

[Patch] https://github.com/LinkStackOrg/LinkStack/pull/975#issuecomment-4224234970

[Exploit] https://github.com/az10b/security-advisories/blob/main/idor_linkstack.md

View Exploit ZIP pw:eip

[Product] https://github.com/LinkStackOrg/LinkStack/

Scores

CVSS v3 5.4

EPSS 0.0004

EPSS Percentile 12.9%

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:C

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-285 CWE-639

Status published

Products (7)

LinkStackOrg/LinkStack 4.8.0

LinkStackOrg/LinkStack 4.8.1

LinkStackOrg/LinkStack 4.8.2

LinkStackOrg/LinkStack 4.8.3

LinkStackOrg/LinkStack 4.8.4

LinkStackOrg/LinkStack 4.8.5

LinkStackOrg/LinkStack 4.8.6

Published Apr 30, 2026

Tracked Since May 01, 2026