NVD CRITICAL: CVE-2026-33698 — Chamilo LMS is a learning management system. Prior to 1.11.38, a chained attack ...

Friday, April 10, 2026 at 07:16 PM UTC·Source: NIST NVD

Updated: Thursday, April 16, 2026 at 06:49 PM UTC

Executive Summary

Chamilo LMS is a learning management system. Prior to 1.11.38, a chained attack can enable otherwise-blocked PHP code from the main/install/ directory and allow an unauthenticated attacker to modify existing files or create new files where allowed by system permissions. This only affects portals with the main/install/ directory still present and read-accessible. This vulnerability is fixed in 1.11

Analysis

Indicators of Compromise (1)

CVE (1)

CVE-2026-33698

NVD MITRE CVE

Source Attribution

Originally published by NIST NVD on Apr 10, 2026. Verified by: NIST.

Related Threats

MEDIUMVulnerability

Friday Squid Blogging: New Giant Squid Video

Pretty fantastic video from Japan of a giant squid eating another squid. As usual, you can also use this squid post to talk about the security stories in the news that I haven’t covered. Blog moderation policy.

Apr 17, 2026Schneier on Security

MEDIUMVulnerability

How NIST's Cutback of CVE Handling Impacts Cyber Teams

Industry and ad hoc coalitions appear poised to help fill the gap created by NIST's decision to cut back on CVE data enrichment.

Apr 17, 2026Dark Reading

CRITICALVulnerability

NVD CRITICAL: CVE-2026-40525 — OpenViking prior to commit c7bb167 contains an authentication bypass vulnerabili...

OpenViking prior to commit c7bb167 contains an authentication bypass vulnerability in the VikingBot OpenAPI HTTP route surface where the authentication check fails open when the api_key configuration value is unset or empty. Remote attackers with network access to the exposed service can invoke privileged bot-control functionality without providing a valid X-API-Key header, including submitting at

CVE-2026-40525

Apr 17, 2026NIST NVD