CVE-2026-112291
Flarum Extension Manager 2.0.0-beta.1 before 2.0.0-beta.8 Missing Authorization via Task API
Flarum Extension Manager
CVSS
6.9MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.35%Chance of exploitation activity in the next 30 days, higher than 26% of CVEs. Scored 23 Oct 2026FIRST EPSS
What fixes it
- 2.0.0-beta.8Extension ManagerCVE List
A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.
Description
Flarum Extension Manager 2.0.0-beta.1 before 2.0.0-beta.8 lacks authentication and admin checks on the TaskResource index endpoint, allowing unauthenticated information disclosure. Remote attackers can send GET requests to /api/extension-manager-tasks to read task output revealing filesystem paths, installed extensions, versions, and PHP version.
Text from CVE List
Affected versions 1
- Extension Manageraffected: 2.0.0-beta.1 before 2.0.0-beta.8CVE List
References 5
- github.com/flarum/framework/commit/257989e71fd8cc7ddab20f31dcde1aa760b1a08fFixvia CVE List
- github.com/flarum/framework/releases/tag/v2.0.0-beta.8Fixvia CVE List
- vulncheck.com/advisories/flarum-extension-manager-2.0.0-beta.1-before-2.0.0-beta.8-missing-authorization-via-task-apiAdvisoryvia CVE List
- github.com/flarum/framework/issues/4386Referencevia CVE List
- github.com/flarum/framework/blob/v2.0.0-beta.6/extensions/package-manager/src/Api/Resource/TaskResource.phpReferencevia CVE List