PT-2026-53670 · Its A Feature · Mythic

George Chen · Published 2026-06-29 · Updated 2026-06-29 · CVE-2026-57952

NVD

CVSS v3.1

5.3

Medium

Base vector

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

Mythic before 3.4.0.60 contains an authorization bypass vulnerability in four REST endpoints (c2profile config check webhook, c2profile redirect rules webhook, c2profile get ioc webhook, c2profile sample message webhook) that fail to verify payload ownership. An operator in one operation can invoke these endpoints with a known payload UUID from another operation to access that operation's C2 profile configuration including encryption keys and callback parameters.

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2026-57952

Affected Products

Mythic

References · 5

• https://github.com/its-a-feature/Mythic/commit/82648e8241b800a32e1882afc310e7316d98ebaa · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-57952 · Security Note
• https://github.com/its-a-feature/Mythic/releases/tag/v3.4.0.60 · Note
• https://github.com/its-a-feature/Mythic/issues/564 · Note
• https://vulncheck.com/advisories/mythic-unauthorized-c2-profile-configuration-access-via-unverified-payload-uuid · Note