CVE-2026-112291
Flarum Extension Manager 2.0.0-beta.1 before 2.0.0-beta.8 Missing Authorization via Task API
CVSS Score
5.3
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-862 |
| Vendor | flarum |
| Product | extension manager |
| Published | Oct 19, 2026 |
| Last Updated | Oct 19, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Affected Versions
Flarum / Extension Manager
2.0.0-beta.1 < 2.0.0-beta.8
References
github.com: https://github.com/flarum/framework/issues/4386 github.com: https://github.com/flarum/framework/commit/257989e71fd8cc7ddab20f31dcde1aa760b1a08f github.com: https://github.com/flarum/framework/releases/tag/v2.0.0-beta.8 github.com: https://github.com/flarum/framework/blob/v2.0.0-beta.6/extensions/package-manager/src/Api/Resource/TaskResource.php vulncheck.com: https://www.vulncheck.com/advisories/flarum-extension-manager-2.0.0-beta.1-before-2.0.0-beta.8-missing-authorization-via-task-api
Credits
lighthousekeeper1212 🔍 leediay153 from Viettel Post