CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. From version 0.26.0 to before version 0.31.8.0, the auth filter has the deactivated/banned user check commented out. This issue has been patched in version 0.31.8.0.
{
"cna_assigner": "GitHub_M",
"cwe_ids": [
"CWE-613"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41891.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "0.26.0"
},
{
"fixed": "0.31.8.0"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StringRangeExpression"
},
{
"original_tag": "0.31.8.0",
"range": [
{
"fixed": "44f10f8dcbdced7cf38221b764d674e3469563e9"
}
],
"source": "REFERENCES_TAG"
},
{
"range": [
{
"introduced": "0"
},
{
"fixed": "0.31.8.0"
}
],
"source": "DESCRIPTION"
}
]
}