CVE-2026-42163
Critical
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.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Mahara
PublishedAug 17, 2026
First seenAug 17, 2026
Weakness typeCWE-284Improper access control
How to fix
Update
- Mahara25.04.5, 26.04.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Mahara | No range specified | 25.04.5, 26.04.0 |
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