CVE-2026-57953 | Mythic before 3.4.0.60 contains an authorization bypass vuln… | CVSS 5.4 MEDIUM

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.

Metadata

CVE ID: CVE-2026-57953
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-06-26 13:59 UTC
Published: 2026-06-29 17:21 UTC
Last updated: 2026-06-29 19:40 UTC
Primary CWE: CWE-863
Incorrect Authorization
Vendor / Product: its-a-feature / Mythic
Sources: cve.org · NVD

Severity & Metrics

5.4 MEDIUM CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
its-a-feature	Mythic	—	0 < 3.4.0.60

Weakness (CWE)

CWE	Source	Description
CWE-863	cna	Incorrect Authorization

CVSS scores (2)

Score	Severity	Version	Source	Vector
5.4	MEDIUM	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
5.3	MEDIUM	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N

References (4)