Unauthenticated SQL Injection in Chamilo LMS Software by Chamilo Foundation
CVE-2026-28430

9.3CRITICAL

Key Information:

Vendor

Chamilo

Status
Chamilo-lms
Vendor
CVE Published:
16 March 2026

What is CVE-2026-28430?

Chamilo LMS, a widely-used learning management system, contains an unauthenticated SQL injection vulnerability prior to version 1.11.34. This flaw allows remote attackers to execute arbitrary SQL commands via the custom_dates parameter. By exploiting this vulnerability in conjunction with a legacy password reset mechanism, attackers could gain complete control over administrative accounts without needing prior credentials. Additionally, the vulnerability poses a significant risk as it exposes sensitive information, including personally identifiable information (PII) and system configurations. Users are strongly advised to upgrade to version 1.11.34 or later to mitigate these security risks.

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Deploy the Patch

Affected Version(s)

chamilo-lms < 1.11.34

References

https://github.com/chamilo/chamilo-lms/security/advisorie...
x_refsource_CONFIRM
https://github.com/chamilo/chamilo-lms/releases/tag/v1.11.34
x_refsource_MISC

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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