CVE-2026-42163

9.8 criticalEPSS 0.5%

Critical (9.8). EPSS 0.5% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-31)
CWE: CWE-284
Published: 2026-08-17
Modified: 2026-08-31
Record from: the NVD, synced 2026-10-19

References

https://mahara.org/interaction/forum/topic.php?id=10077

Check your stack JSON