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CVE-2026-7502
LinkStackOrg LinkStack Management Endpoint UserController.php saveLink authorization
Medium5.3EPSS 0.26%
- Published
- Updated
- Reserved
- Assigned by
- VulDB
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Medium5.3 | 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 |
| VulDBCNA (assigner) | 3.1 | Medium5.4 | 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 |
| VulDBCNA (assigner) | 3.0 | Medium5.4 | 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 |
| VulDBCNA (assigner) | 2.0 | Medium5.5 | AV:N/AC:L/Au:S/C:N/I:P/A:P/E:POC/RL:ND/RC:C |
| NVDNVD · Deferred | 4.0 | Low2.1 | 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 |
- EPSS (exploitation in 30 days)
- 0.26% · top 83% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.
Weakness
Affected products
- affected 4.8.0
- affected 4.8.1
- affected 4.8.2
- affected 4.8.3
- affected 4.8.4
- affected 4.8.5
- affected 4.8.6
References (7)
- VDB-360312 | LinkStackOrg LinkStack Management Endpoint UserController.php saveLink authorization (opens in a new tab)vdb-entrytechnical-description
- VDB-360312 | CTI Indicators (IOB, IOC, IOA) (opens in a new tab)signaturepermissions-required
- Submit #801787 | LinkStackOrg LinkStack 4.8.6 Authorization Bypass (opens in a new tab)third-party-advisory
- https://github.com/LinkStackOrg/LinkStack/pull/975 (opens in a new tab)issue-trackingpatch
- https://github.com/LinkStackOrg/LinkStack/pull/975#issuecomment-4224234970 (opens in a new tab)issue-trackingpatch
- https://github.com/az10b/security-advisories/blob/main/idor_linkstack.md (opens in a new tab)exploit
- https://github.com/LinkStackOrg/LinkStack/ (opens in a new tab)product
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-7502)Record last updated .