CVE-2026-42163

Published Aug 17, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
Mahara before 25.04.5 and 26.04.0 is vulnerable to unauthorized access to internal accounts via Learning Tools Interoperability (LTI) under certain circumstances. This applies to LTI 1.1 and LTI 1.3 Advantage.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Unauthorized Internal Account Access via LTI in Mahara
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Unauthorized Internal Account Access via LTI in Mahara
Weaknesses CWE-284
Type Values Removed Values Added
First Time appeared Mahara
Mahara mahara
Vendors & Products Mahara
Mahara mahara
Type Values Removed Values Added
Description Mahara before 25.04.5 and 26.04.0 is vulnerable to unauthorized access to internal accounts via Learning Tools Interoperability (LTI) under certain circumstances. This applies to LTI 1.1 and LTI 1.3 Advantage.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Aug 18, 2026, 12:28 PM
Reserved
Apr 24, 2026, 12:00 AM
Status
Deferred
Published
Aug 17, 2026, 10:17 PM
Modified
Aug 31, 2026, 8:12 PM