CVE-2026-57951
Mythic < 3.4.0.60 - Broken Permission Filter in payload_build_step Table
- State
- Published
- Severity
- 7.1 High
- Published
- Jun 29, 2026
- Updated
- Jul 14, 2026
- Reserved
- Jun 26, 2026
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 | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 7.1 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 6.5 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N | VulnCheck |
Weaknesses
- CWE-863 Incorrect Authorization
Affected Products
| Product | Versions |
|---|---|
Mythicits-a-feature |
|
References
- Release Notesrelease-notes
- Researcher Disclosureissue-tracking
- Patch Commitpatch
- https://www.vulncheck.com/advisories/mythic-broken-permission-filter-in-payload-build-step-tablethird-party-advisory
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