Secuno
ENNL
Book demo

CVE-2026-42163

Mahara broken access control

9.8 CRITICALEPSS 0.48%
  1. Published17 Aug 2026

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.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

CVE-2026-1075109.1
An authenticated high privilege user can inject arguments in troubleshooting commands…
CVE-2026-764989.8
As part of Cisco's ongoing commitment to proactive security and product quality, the…
CVE-2026-764638.8
As part of Cisco's ongoing commitment to proactive security and product quality, the…
CVE-2026-764559.8
As part of Cisco's ongoing commitment to proactive security and product quality, the…
CVE-2026-976808.3
IBM Langflow OSS 1.0.0 through 1.12.2 could allow a remote authenticated attacker to…
CVE-2026-1043358.8
IBM Langflow OSS 1.0.0 through 1.12.2 could allow a remote authenticated attacker to…

Frequently asked

Is CVE-2026-42163 being actively exploited?

CVE-2026-42163 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.48%.

How severe is CVE-2026-42163?

CVE-2026-42163 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.48% probability of exploitation.

How do I fix CVE-2026-42163?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-42163 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.