VULNERABILITY INTELLIGENCE
CVE-2026-57953
CVSS score5.4 MEDIUM
EPSS probability0.44%
CISA KEVNot currently listed
Published2026-06-29
Last modified2026-10-25
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
Description
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.
Weakness classification
- disclosure@vulncheck.com: CWE-863
Primary references
- disclosure@vulncheck.com — Patch
- disclosure@vulncheck.com — Issue Tracking
- disclosure@vulncheck.com — Release Notes
- disclosure@vulncheck.com — Third Party Advisory