OpenLearnX: Critical Authentication Bypass via JWT Signature Verification Disabled Leading to Account Takeover

Description

A critical authentication vulnerability was identified in OpenLearnX that could allow unauthorized access to user accounts under specific conditions. The issue has been fixed.

Advisory: https://github.com/th30d4y/OpenLearnX/security/advisories/GHSA-223g-f5mq-gw33

Recommendation

Update the openlearnx package to the latest compatible version. Followings are version details:

• Affected version(s): < 2.0.4
• Patched version(s): 2.0.4

References

• GHSA-223g-f5mq-gw33
• CVE-2026-44720
• CWE-287
• CWE-347
• CAPEC-310
• OWASP 2021-A2
• OWASP 2021-A6
• OWASP 2021-A7

Related Issues

• Payload: Pre-Authentication Account Takeover via Parameter Injection in Password Recovery - CVE-2026-34751
• Payload: Pre-Authentication Account Takeover via Parameter Injection in Password Recovery - payload - CVE-2026-34751
• OpenLearnX has Critical Remote Code Execution Through Python Sandbox Escape via Code Execution Environment - CVE-2026-41900
• jsrsasign: Negative Exponent Handling Leads to Signature Verification Bypass - CVE-2026-4602

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Tags:

npm

openlearnx