Mythic before 3.4.0.60 contains a broken hasura permission filter on the payload_build_step table with an always-satisfied _or condition that bypasses operation-scoped access controls. Authenticated operators and spectators can query payload_build_step to read step_stdout, step_stderr, step_name, and step_description across all operations on the server.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-863"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/57xxx/CVE-2026-57951.json"
}{
"extracted_events": [
{
"cpe": "cpe:2.3:a:its-a-feature:mythic:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "3.4.0.60"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "82648e8241b800a32e1882afc310e7316d98ebaa"
}
],
"source": "REFERENCES_COMMIT"
},
{
"original_tag": "v3.4.0.60",
"range": [
{
"fixed": "29be09eef48814e01ee75a4388b1fc0caf5b1ee5"
}
],
"source": "REFERENCES_TAG"
}
]
}