CVE-2026-57951

MEDIUM

Mythic < 3.4.0.60 - Broken Permission Filter in payload_build_step Table

Title source: cna
STIX 2.1

Description

Mythic before 3.4.0.60 contains a broken hasura permission filter on the payload_build_step table with an always-satisfied _or condition that bypasses operation-scoped access controls. Authenticated operators and spectators can query payload_build_step to read step_stdout, step_stderr, step_name, and step_description across all operations on the server.

Scores

CVSS v3 6.5
EPSS 0.0025
EPSS Percentile 15.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
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