CVE-2026-42164

Critical

Description

Mahara before 25.04.5 and 26.04.0 is vulnerable in the Text block/section functionality when a call is crafted in a certain way that allows it to recall the backed-up content from another Text section.

SeverityCritical
CVSS9.8
Exploit probability—
ProductMahara
PublishedAug 17, 2026
First seenAug 17, 2026

How to fix

Update
  • Mahara25.04.5 or later

Affected products

ProductAffected versionsFixed in
MaharaNo range specified25.04.5

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

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