CVE-2026-42164: n/a
Mahara versions before 25.04.5 and 26.04.0 have a vulnerability in the Text block/section functionality that allows crafted calls to access backed-up content from other Text sections. This vulnerability has a critical severity with a CVSS score of 9.8, indicating high impact on confidentiality, integrity, and availability.
AI Analysis
Technical Summary
CVE-2026-42164 affects Mahara versions prior to 25.04.5 and 26.04.0. The vulnerability exists in the Text block/section functionality, where a specially crafted call can retrieve backed-up content from a different Text section. This leads to unauthorized disclosure of potentially sensitive information. The CVSS 3.1 base score is 9.8, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability.
Potential Impact
An attacker can remotely exploit this vulnerability without authentication or user interaction to access sensitive backed-up content from other Text sections, leading to a complete compromise of confidentiality, integrity, and availability of affected Mahara instances.
Mitigation Recommendations
A fix is available in Mahara versions 25.04.5 and 26.04.0. Users should upgrade to these or later versions to remediate the vulnerability. No additional mitigation guidance is provided in the available data.
CVE-2026-42164: n/a
Description
Mahara versions before 25.04.5 and 26.04.0 have a vulnerability in the Text block/section functionality that allows crafted calls to access backed-up content from other Text sections. This vulnerability has a critical severity with a CVSS score of 9.8, indicating high impact on confidentiality, integrity, and availability.
CVSS v3.1
Score 9.8critical
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-42164 affects Mahara versions prior to 25.04.5 and 26.04.0. The vulnerability exists in the Text block/section functionality, where a specially crafted call can retrieve backed-up content from a different Text section. This leads to unauthorized disclosure of potentially sensitive information. The CVSS 3.1 base score is 9.8, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and high impact on confidentiality, integrity, and availability.
Potential Impact
An attacker can remotely exploit this vulnerability without authentication or user interaction to access sensitive backed-up content from other Text sections, leading to a complete compromise of confidentiality, integrity, and availability of affected Mahara instances.
Mitigation Recommendations
A fix is available in Mahara versions 25.04.5 and 26.04.0. Users should upgrade to these or later versions to remediate the vulnerability. No additional mitigation guidance is provided in the available data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-04-24T00:00:00.000Z
- State
- PUBLISHED
Threat ID: 6a838e34bf8831d539b9cf2f
Added to database: 08/17/2026, 22:41:56 UTC
Last enriched: 09/11/2026, 23:46:51 UTC
Last updated: 10/02/2026, 02:46:04 UTC
Views: 78
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