Remote Code Execution Vulnerability in SP LMS by JoomShaper
CVE-2026-48909

9.5CRITICAL

Key Information:

Vendor
CVE Published:
20 June 2026

Badges

๐Ÿ“ˆ Trended๐Ÿ“ˆ Score: 2,410๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2026-48909?

CVE-2026-48909 is a remote code execution vulnerability found in SP LMS, a learning management system developed by JoomShaper. This system is designed to facilitate online learning environments by managing courses, content delivery, and user interactions. The vulnerability stems from the insecure deserialization of user-controlled cookie data in versions prior to 4.1.4 of SP LMS. Because this flaw allows an unauthenticated remote attacker to execute arbitrary code on the server, it poses a severe risk to any organization utilizing the platform. If exploited, an attacker could gain full control over the LMS environment, potentially leading to unauthorized data access, manipulation, or system outages.

Potential impact of CVE-2026-48909

  1. Unauthorized Remote Code Execution: Attackers can execute arbitrary code on the server, gaining control over the application and its underlying infrastructure. This can lead to catastrophic breaches and allow malicious actors to deploy additional malware or manipulate the system for various malicious objectives.

  2. Data Breach Risks: Compromise of the LMS system can result in unauthorized access to sensitive data, including personal information of users and educational content. This may lead to legal repercussions and loss of trust from users and stakeholders.

  3. Service Disruption: The exploitation of this vulnerability might lead to service interruptions or complete outages of the LMS, disrupting educational processes and impacting organizationsโ€™ operations. This can also have repercussions on reputation and financial stability for educational institutions.

Affected Version(s)

SP LMS extension for Joomla 1.0.0-4.1.3

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.

References

CVSS V4

Score:
9.5
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • ๐Ÿ“ˆ

    Vulnerability started trending

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Amin Isayev
.