CVE-2026-57951: falha de alta gravidade em its-a-feature Mythic
Mythic < 3.4.0.60 - Broken Permission Filter in payload_build_step Table
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Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
41Vexday Risk Score
Sem sinal de exploração. Ela tem prova de conceito pública.
ssvc Attendcvss 7.1epss 0.4%
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.
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
Produtos afetados
its-a-feature · MythicPoCs públicas encontradas — 1
cve_referencettps://github.com/its-a-feature/Mythic/issues/563não verificado⚠ Recursos públicos, para você avaliar a exposição de sistemas que controla ou está autorizado a testar. Teste apenas com autorização.
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CVE-2026-57953MEDIUMMythic < 3.4.0.60 - Unauthorized Automation Workflow Modification via eventing_import_automatic_webhook EndpointEPSS 0.4%CVE-2026-119764HIGHMythic 3.2.16 through 3.4.0.61 Stored XSS via Agent-Downloaded File PreviewEPSS 0.3%CVE-2026-57952MEDIUMMythic < 3.4.0.60 - Unauthorized C2 Profile Configuration Access via Unverified Payload UUIDEPSS 0.3%
Referências
https://github.com/its-a-feature/Mythic/commit/82648e8241b800a32e1882afc310e7316d98ebaahttps://github.com/its-a-feature/Mythic/issues/563https://github.com/its-a-feature/Mythic/releases/tag/v3.4.0.60https://www.vulncheck.com/advisories/mythic-broken-permission-filter-in-payload-build-step-tablettps://github.com/its-a-feature/Mythic/issues/563