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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication Single

Confidentiality Impact None

Integrity Impact Partial

Availability Impact Partial

AV:N/AC:L/Au:S/C:N/I:P/A:P/E:POC/RL:ND/RC:C

This CVE is not in the KEV list.

Exploitation poc

Automatable no

Technical Impact partial

Affected Vendors & Products

Vendors Products
Linkstack
  • Linkstack

No data.

No data.

References
Link Providers
https://github.com/LinkStackOrg/LinkStack/ cve-icon cve-icon
https://github.com/LinkStackOrg/LinkStack/pull/975 cve-icon cve-icon
https://github.com/LinkStackOrg/LinkStack/pull/975#issuecomment-4224234970 cve-icon cve-icon
https://github.com/az10b/security-advisories/blob/main/idor_linkstack.md cve-icon cve-icon
https://vuldb.com/submit/801787 cve-icon cve-icon
https://vuldb.com/vuln/360312 cve-icon cve-icon
https://vuldb.com/vuln/360312/cti cve-icon cve-icon
History

Fri, 01 May 2026 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Fri, 01 May 2026 08:30:00 +0000

Type Values Removed Values Added
First Time appeared Linkstack
Linkstack linkstack
Vendors & Products Linkstack
Linkstack linkstack

Thu, 30 Apr 2026 21:45:00 +0000

Type Values Removed Values Added
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.
Title LinkStackOrg LinkStack Management Endpoint UserController.php saveLink authorization
Weaknesses CWE-285
CWE-639
References
Metrics cvssV2_0

{'score': 5.5, 'vector': 'AV:N/AC:L/Au:S/C:N/I:P/A:P/E:POC/RL:ND/RC:C'}

cvssV3_0

{'score': 5.4, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:C'}

cvssV3_1

{'score': 5.4, 'vector': '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'}

cvssV4_0

{'score': 5.3, 'vector': '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'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2026-04-30T21:15:12.518Z

Updated: 2026-05-01T14:23:54.744Z

Reserved: 2026-04-30T14:38:49.163Z

Link: CVE-2026-7502

cve-icon Vulnrichment

Updated: 2026-05-01T14:23:49.986Z

cve-icon NVD

Status : Deferred

Published: 2026-04-30T22:16:26.710

Modified: 2026-05-01T15:26:24.553

Link: CVE-2026-7502

cve-icon Redhat

No data.