Mythic before 3.4.0.60 contains a broken hasura permission filter on the payloadbuildstep table with an always-satisfied or condition that bypasses operation-scoped access controls. Authenticated operators and spectators can query payloadbuildstep to read stepstdout, stepstderr, stepname, 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"
}{
"source": [
"CPE_RANGE",
"REFERENCES"
],
"cpe": "cpe:2.3:a:its-a-feature:mythic:*:*:*:*:*:*:*:*",
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "3.4.0.60"
}
]
}