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TI-2026-06592 Aliases CVE-2026-7502GHSA-mg7g-g2wv-6mhr

LinkStackOrg LinkStack Management Endpoint UserController.php saveLink authorization

Priority MEDIUM 57CWE-285Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-285.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00255 17th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LinkStackOrgLinkStack4.8.0; 4.8.1; 4.8.2; 4.8.3; 4.8.4; 4.8.5; 4.8.6—No fix listedCNA
  • LinkStack VendorLinkStackOrg Affected 4.8.0; 4.8.1; 4.8.2; 4.8.3; 4.8.4; 4.8.5; 4.8.6 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-7502
  2. 2026-10-03 Alias added: GHSA-mg7g-g2wv-6mhr

References

Exploit 1

Patch 2

Other 1

  • TI-2026-06591 LinkStackOrg LinkStack UserController.php editPage cross site scripting CVSS 4.0MEDIUM 5.1
  • TI-2026-80135 Cross-site request forgery in LinkStackOrg LinkStack CVSS 4.0MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences