---
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'
---

## Overview

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 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.

## Affected

- `Mythic < 3.4.0.60`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.