Auth bypass in Linkstackorg Linkstack
CVE-2026-7502
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 lead…
EPSS: 0.001 (17.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.
Affected products
- Linkstackorg Linkstack — versions 4.8.0, 4.8.1, 4.8.2
Weakness classification (CWE)
References
- VDB-360312 | LinkStackOrg LinkStack Management Endpoint UserController.php saveLink authorization (technical-description, vdb-entry)
- VDB-360312 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #801787 | LinkStackOrg LinkStack 4.8.6 Authorization Bypass (third-party-advisory)
- cna@vuldb.com (issue-tracking, patch)
- cna@vuldb.com (issue-tracking, patch)
- cna@vuldb.com (exploit)
- cna@vuldb.com (product)
Frequently asked questions
- What is CVE-2026-7502?
- CVE-2026-7502 is a medium-severity vulnerability in Linkstackorg Linkstack, classified under Improper Authorization. CVSS score: 5.4/10. Published 2026-04-30.
- How severe is CVE-2026-7502?
- Medium severity. CVSS v3 base score is 5.4 out of 10.