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.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-862"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/112xxx/CVE-2026-112291.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "2.0.0-beta.1"
},
{
"fixed": "2.0.0-beta.8"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"fixed": "257989e71fd8cc7ddab20f31dcde1aa760b1a08f"
}
],
"source": "REFERENCES_COMMIT"
},
{
"original_tag": "v2.0.0-beta.8",
"range": [
{
"fixed": "d4963509d9bc521d34ca35c9ea40ae0dd927db72"
}
],
"source": "REFERENCES_TAG"
}
]
}