CVE-2026-57951
Mythic < 3.4.0.60 - Broken Permission Filter in payload_build_step Table
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.
INFO
Published Date :
June 29, 2026, 6:16 p.m.
Last Modified :
July 14, 2026, 10:17 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | MEDIUM | MITRE-CVE | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | HIGH | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | HIGH | [email protected] |
Solution
- Update Mythic to version 3.4.0.60 or later.
- Review and correct Hasura permission filters.
- Remove the always-satisfied _or condition.
- Verify access controls are enforced.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-57951.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-57951 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-57951
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-57951 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-57951 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Jul. 14, 2026
Action Type Old Value New Value Changed Affected [{'repo': 'https://github.com/its-a-feature/Mythic', 'vendor': 'its-a-feature', 'product': 'Mythic', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '3.4.0.60', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}] [{'repo': 'https://github.com/its-a-feature/Mythic', 'vendor': 'its-a-feature', 'product': 'Mythic', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '3.4.0.60', 'versionType': 'custom'}], 'packageURL': 'pkg:github/its-a-feature/Mythic', 'defaultStatus': 'unaffected'}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 01, 2026
Action Type Old Value New Value Added Reference ttps://github.com/its-a-feature/Mythic/issues/563 Added SSVC {'id': 'CVE-2026-57951', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-01T14:12:06.329432Z'} -
Initial Analysis by [email protected]
Jun. 30, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:its-a-feature:mythic:*:*:*:*:*:*:*:* versions up to (excluding) 3.4.0.60 Added Reference Type VulnCheck: https://github.com/its-a-feature/Mythic/commit/82648e8241b800a32e1882afc310e7316d98ebaa Types: Patch Added Reference Type VulnCheck: https://github.com/its-a-feature/Mythic/issues/563 Types: Issue Tracking Added Reference Type VulnCheck: https://github.com/its-a-feature/Mythic/releases/tag/v3.4.0.60 Types: Release Notes Added Reference Type VulnCheck: https://www.vulncheck.com/advisories/mythic-broken-permission-filter-in-payload-build-step-table Types: Third Party Advisory -
New CVE Received by [email protected]
Jun. 29, 2026
Action Type Old Value New Value Added Affected [{'repo': 'https://github.com/its-a-feature/Mythic', 'vendor': 'its-a-feature', 'product': 'Mythic', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '3.4.0.60', 'versionType': 'custom'}], 'defaultStatus': 'unaffected'}] Added 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. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N Added CWE CWE-863 Added Reference https://github.com/its-a-feature/Mythic/commit/82648e8241b800a32e1882afc310e7316d98ebaa Added Reference https://github.com/its-a-feature/Mythic/issues/563 Added Reference https://github.com/its-a-feature/Mythic/releases/tag/v3.4.0.60 Added Reference https://www.vulncheck.com/advisories/mythic-broken-permission-filter-in-payload-build-step-table