LearningEquality Kolibri up to 0.19.3 RemoteFacilityUser views.ts baseurl redirect

Summaryinfo

A vulnerability categorized as problematic has been discovered in LearningEquality Kolibri up to 0.19.3. This impacts an unknown function of the file views.ts of the component RemoteFacilityUser. Executing a manipulation of the argument baseurl can lead to redirect. This vulnerability appears as CVE-2026-48053. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability has been found in LearningEquality Kolibri up to 0.19.3 and classified as problematic. This vulnerability affects an unknown functionality of the file views.ts of the component RemoteFacilityUser. The manipulation of the argument baseurl with an unknown input leads to a redirect vulnerability. The CWE definition for the vulnerability is CWE-601. A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks. As an impact it is known to affect integrity. CVE summarizes:

Kolibri is an offline-first education platform. Prior to version 0.19.4, several Kolibri API endpoints accept an unvalidated `baseurl` parameter and fetch attacker-controlled URLs from the Kolibri server, reflecting the response body back to the caller. The original report identified two endpoints on the `RemoteFacilityUser*` viewsets; remediation review found two further reflection points on the same pattern. The GET endpoint was unauthenticated. Version 0.19.4 fixes the vulnerability.

The advisory is available at github.com. This vulnerability was named CVE-2026-48053 since 05/20/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1204.001 by the MITRE ATT&CK project.

Upgrading to version 0.19.4 eliminates this vulnerability.

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Productinfo

Vendor

• LearningEquality

Name

• Kolibri

Version

• 0.19.0
• 0.19.1
• 0.19.2
• 0.19.3

Website

• Product: https://github.com/learningequality/kolibri/

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