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Vulnerability · Published Apr 30, 2026 · Assigned by VulDB

CVE-2026-7502LinkStackOrg LinkStack Management Endpoint UserController.php saveLink authorization

Medium 5.4

In plain English

A medium-severity authorization bypass via user-controlled key in LinkStack from LinkStackOrg. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.3%top 82.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
LinkStackOrg LinkStack 4.8.04.8.14.8.24.8.34.8.44.8.54.8.6

Weakness: CWE-639, CWE-285 · 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

References