CVE-2026-7502 — LinkStackOrg LinkStack Vulnerability

CVE-2026-7502 — LinkStackOrg LinkStack Vulnerability

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 leads to authorization bypass. The attack can be

What This Means For You

  • If your environment is affected by CWE-285, CWE-639, review your exposure and prioritize patching based on your environment. Monitor vendor advisories for CVE-2026-7502 updates and patches.

Related ATT&CK Techniques

🛡️ Detection Rules

2 rules · 6 SIEM formats

2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.

high T1190 Initial Access

CVE-2026-7502 - LinkStackOrg saveLink Authorization Bypass

Sigma YAML — free preview
title: CVE-2026-7502 - LinkStackOrg saveLink Authorization Bypass
id: scw-2026-04-30-ai-1
status: experimental
level: high
description: |
  Detects attempts to exploit CVE-2026-7502 by targeting the saveLink function within UserController.php. This rule looks for POST requests to the specific URI path containing 'saveLink' in the query, indicating a potential authorization bypass attempt.
author: SCW Feed Engine (AI-generated)
date: 2026-04-30
references:
  - https://shimiscyberworld.com/posts/nvd-CVE-2026-7502/
tags:
  - attack.initial_access
  - attack.t1190
logsource:
    category: webserver
detection:
  selection:
      cs-uri|contains:
          - '/app/Http/Controllers/UserController.php'
      cs-method|exact:
          - 'POST'
      cs-uri-query|contains:
          - 'saveLink'
      condition: selection
falsepositives:
  - Legitimate administrative activity

Source: Shimi's Cyber World · License & reuse

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Indicators of Compromise

IDTypeIndicator
CVE-2026-7502 vulnerability CVE-2026-7502
CWE-285 weakness CWE-285
CWE-639 weakness CWE-639
Source & Attribution
Source PlatformNVD
ChannelNational Vulnerability Database
PublishedMay 01, 2026 at 01:16 UTC

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