Webmin allows unauthenticated attackers to read the contents of any file ending in .conf within module directories, due to a bypassable regex pattern.
{
"unresolved_ranges": [
{
"source": "AFFECTED_FIELD",
"extracted_events": [
{
"introduced": "*"
},
{
"last_affected": "*"
}
]
}
],
"cwe_ids": [
"CWE-185",
"CWE-777"
],
"cna_assigner": "cisa-cg",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56021.json"
}