{"id":"CVE-2026-57953","title":"Mythic < 3.4.0.60 - Unauthorized Automation Workflow Modification via eventing_import_automatic_webhook Endpoint","summary":"Mythic before 3.4.0.60 contains an authorization bypass vulnerability that allows authenticated spectator-role users to perform unauthorized write operations by accessing the eventing_import_automatic_webhook endpoint registered under sp…","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L","cvssSource":"cna","cwe":["CWE-863"],"vendor":"its-a-feature","product":"Mythic","affected":["Mythic < 3.4.0.60"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-06-29T19:40:44.410964Z"},"published":"2026-06-29","updated":"2026-11-08","sourceUpdated":"2026-11-08T14:06:40.393Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-57953","references":[{"url":"https://github.com/its-a-feature/Mythic/releases/tag/v3.4.0.60","label":"Mythic 3.4.0.60 Release Notes"},{"url":"https://github.com/its-a-feature/Mythic/issues/565","label":"Researcher Disclosure"},{"url":"https://github.com/its-a-feature/Mythic/commit/82648e8241b800a32e1882afc310e7316d98ebaa","label":"Patch Commit"},{"url":"https://www.vulncheck.com/advisories/mythic-unauthorized-automation-workflow-modification-via-eventing-import-automatic-webhook-endpoint"}],"tags":["cve.org"],"epss":0.00438,"epssPercentile":0.38291,"ingestedAt":"2026-11-08T14:51:22.316Z","slug":"CVE-2026-57953","body":"## Overview\n\nMythic before 3.4.0.60 contains an authorization bypass vulnerability that allows authenticated spectator-role users to perform unauthorized write operations by accessing the eventing_import_automatic_webhook endpoint registered under spectator-permitted middleware. Attackers with spectator role can exploit this misconfigured access control to create and delete automation workflows, making unauthorized modifications to operation automation configuration and EventGroups.\n\n## Affected\n\n- `Mythic < 3.4.0.60`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}