CVE-2026-57951
Full vulnerability record from the local CVENow database.
Description
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.
Severity
HIGH
CVSS score
7.1
(v4.0)
Vulnerability status
Modified
Source identifier
Published
2026-06-29 18:16:40.253000
Last modified
2026-10-25 21:10:00.770000
View original CVE JSON
{
"id": "CVE-2026-57951",
"sourceIdentifier": "[email protected]",
"published": "2026-06-29T18:16:40.253",
"lastModified": "2026-10-25T21:10:00.770",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "Mythic anterior a la 3.4.0.60 contiene un filtro de permisos de Hasura roto en la tabla payload_build_step con una condición _or siempre satisfecha que omite los controles de acceso con ámbito de operación. Operadores y espectadores autenticados pueden consultar payload_build_step para leer step_stdout, step_stderr, step_name y step_description en todas las operaciones en el servidor."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "its-a-feature",
"product": "Mythic",
"defaultStatus": "unaffected",
"repo": "https://github.com/its-a-feature/Mythic",
"packageURL": "pkg:github/its-a-feature/Mythic",
"versions": [
{
"version": "0",
"lessThan": "3.4.0.60",
"versionType": "custom",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV40": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "4.0",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"baseScore": 7.1,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "NONE",
"vulnAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"subAvailabilityImpact": "NONE",
"exploitMaturity": "NOT_DEFINED",
"confidentialityRequirement": "NOT_DEFINED",
"integrityRequirement": "NOT_DEFINED",
"availabilityRequirement": "NOT_DEFINED",
"modifiedAttackVector": "NOT_DEFINED",
"modifiedAttackComplexity": "NOT_DEFINED",
"modifiedAttackRequirements": "NOT_DEFINED",
"modifiedPrivilegesRequired": "NOT_DEFINED",
"modifiedUserInteraction": "NOT_DEFINED",
"modifiedVulnConfidentialityImpact": "NOT_DEFINED",
"modifiedVulnIntegrityImpact": "NOT_DEFINED",
"modifiedVulnAvailabilityImpact": "NOT_DEFINED",
"modifiedSubConfidentialityImpact": "NOT_DEFINED",
"modifiedSubIntegrityImpact": "NOT_DEFINED",
"modifiedSubAvailabilityImpact": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"valueDensity": "NOT_DEFINED",
"vulnerabilityResponseEffort": "NOT_DEFINED",
"providerUrgency": "NOT_DEFINED"
}
}
],
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"baseScore": 6.5,
"baseSeverity": "MEDIUM",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 2.8,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-07-01T14:12:06.329432Z",
"id": "CVE-2026-57951",
"options": [
{
"exploitation": "poc"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-863"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:its-a-feature:mythic:*:*:*:*:*:*:*:*",
"versionEndExcluding": "3.4.0.60",
"matchCriteriaId": "45948026-7862-4A33-92C8-4B518E348CCC"
}
]
}
]
}
],
"references": [
{
"url": "https://github.com/its-a-feature/Mythic/commit/82648e8241b800a32e1882afc310e7316d98ebaa",
"source": "[email protected]",
"tags": [
"Patch"
]
},
{
"url": "https://github.com/its-a-feature/Mythic/issues/563",
"source": "[email protected]",
"tags": [
"Issue Tracking"
]
},
{
"url": "https://github.com/its-a-feature/Mythic/releases/tag/v3.4.0.60",
"source": "[email protected]",
"tags": [
"Release Notes"
]
},
{
"url": "https://www.vulncheck.com/advisories/mythic-broken-permission-filter-in-payload-build-step-table",
"source": "[email protected]",
"tags": [
"Third Party Advisory"
]
},
{
"url": "ttps://github.com/its-a-feature/Mythic/issues/563",
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
}
]
}