PatchSiren cyber security CVE debrief

CVE-2026-44720 th30d4y CVE debrief

OpenLearnX versions prior to 2.0.4 contain a critical authentication vulnerability that could allow unauthorized account access under specific conditions. The vulnerability involves weaknesses in authentication mechanisms (CWE-287) and improper verification of cryptographic signatures (CWE-347). The issue was disclosed on 2026-05-27 and has been resolved in version 2.0.4. No known exploitation in ransomware campaigns has been reported.

Vendor: th30d4y
Product: OpenLearnX
CVSS: MEDIUM 6.9
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-05-27
Original CVE updated: 2026-05-27
Advisory published: 2026-05-27
Advisory updated: 2026-05-27

Who should care

Organizations running OpenLearnX learning platform instances, particularly those with sensitive educational or assessment data requiring strong authentication controls.

Technical summary

OpenLearnX prior to 2.0.4 contains authentication weaknesses (CWE-287, CWE-347) enabling unauthorized account access. Network-exploitable with low complexity. Fixed in 2.0.4.

Defensive priority

medium

Recommended defensive actions

Upgrade OpenLearnX to version 2.0.4 or later to remediate the authentication vulnerability
Review authentication and cryptographic signature verification implementations for defense-in-depth
Monitor for unauthorized access attempts in authentication logs
Verify integrity of user session management following the advisory guidance

Evidence notes

The CVE description indicates this is a critical authentication vulnerability allowing unauthorized account access. CVSS 4.0 vector shows network attack vector with low attack complexity, no privileges required, and low integrity impact. Weaknesses identified as CWE-287 (Improper Authentication) and CWE-347 (Improper Verification of Cryptographic Signature). Fix version 2.0.4 confirmed in advisory.

Official resources

2026-05-27