CVE-2026-112291CWE-862broken-access-control

CVE-2026-112291

Medium · published October 19, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
26.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
6.9 · CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
EPSS
0.00346 · 26.9th percentile
Weakness
CWE-862 · Missing Authorization
Published
2026-10-19T18:17Z
References (5)
https://github.com/flarum/framework/blob/v2.0.0-beta.6/extensions/package-manager/src/Api/Resource/TaskResource.php · [email protected]https://github.com/flarum/framework/commit/257989e71fd8cc7ddab20f31dcde1aa760b1a08f · [email protected]https://github.com/flarum/framework/issues/4386 · [email protected]https://github.com/flarum/framework/releases/tag/v2.0.0-beta.8 · [email protected]https://www.vulncheck.com/advisories/flarum-extension-manager-2.0.0-beta.1-before-2.0.0-beta.8-missing-authorization-via-task-api · [email protected]
EPSS history
Timeline
  • 21 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 19 OCT 13:55Z
    Flarum Extension Manager 2.0.0-beta.1 before 2.0.0-beta.8 Missing Authorization via Task API
    cvelistv5
  • 19 OCT 13:55Z
    Flarum Extension Manager 2.0.0-beta.1 before 2.0.0-beta.8 Missing Authorization via Task API
    cvelistv5