Improper Resource Control in Krayin Laravel CRM by Webkul
CVE-2026-100884

5.3MEDIUM

Key Information:

Vendor

Krayin

Status
Laravel-crm
Vendor
CVE Published:
27 September 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-100884?

A vulnerability in the Krayin Laravel CRM, specifically in versions up to 2.2.5, has been identified. The flaw lies in the Storage::download function within the acl.php file of the attachment-download endpoint, where inadequate control over resource identifiers allows for potential exploitation. Attackers can manipulate the argument ID and initiate remote unauthorized actions, posing a significant security risk. It is crucial for users to promptly upgrade to version 2.2.6 or later to mitigate this vulnerability.

Affected Version(s)

laravel-crm 2.2.0

laravel-crm 2.2.1

laravel-crm 2.2.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-100884 - Proof of Concept

References

https://vuldb.com/vuln/410814
vdb-entrytechnical-description
https://vuldb.com/vuln/410814/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-100884
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

bl4dsc4n (VulDB User)
.