CVE-2026-57953
MEDIUMMythic < 3.4.0.60 - Unauthorized Automation Workflow Modification via eventing_import_automatic_webhook Endpoint
Title source: cnaDescription
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.
References (4)
Core 4
Core References
Release Notes release-notes
Release Notes
https://github.com/its-a-feature/Mythic/releases/tag/v3.4.0.60
Issue Tracking issue-tracking
Researcher Disclosure
https://github.com/its-a-feature/Mythic/issues/565
Patch patch
Patch Commit
https://github.com/its-a-feature/Mythic/commit/82648e8241b800a32e1882afc310e7316d98ebaa
Third Party Advisory third-party-advisory
https://www.vulncheck.com/advisories/mythic-unauthorized-automation-workflow-modification-via-eventing-import-automatic-webhook-endpoint
Scores
CVSS v3
5.4
EPSS
0.0025
EPSS Percentile
16.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-863
Status
published
Products (2)
its-a-feature/Mythic
< 3.4.0.60
its-a-feature/mythic
< 3.4.0.60
Published
Jun 29, 2026
Tracked Since
Jun 29, 2026