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Vulnerability record · CVE-2026-42164 · published 17 August 2026

CVE-2026-42164: Information exposure vulnerability

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.

9.8 CVSS 3.1 Critical EPSS 0.55% · top 56.0% CWE-200 · Information exposure Deferred
9.8CVSS 3.1 base score
0.55%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
31 Aug 2026Last modified by NVD

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.

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

References

LinkTags
https://mahara.org
https://mahara.org/interaction/forum/topic.php?id=10057

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Source: NIST National Vulnerability Database (record CVE-2026-42164), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.