CVE-2026-57952 Mythic < 3.4.0.60 - Unauthorized C2 Profile Configuration Access via Unverified Payload UUID
Attackers can access sensitive C2 profile configurations and encryption keys from other operations by exploiting missing payload ownership verification in REST endpoints.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-57952?
CVE-2026-57952 is a medium-severity missing authorization vulnerability in its-a-feature Mythic, published on 29 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
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.
Weakness: CWE-862
Which versions are affected by CVE-2026-57952?
It affects 1 product.
Products include Its-a-Feature Mythic.
How do I fix CVE-2026-57952?
No fix has been published for CVE-2026-57952 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-57952 being exploited?
There is no known exploitation of CVE-2026-57952 in the wild and no public exploit code.
Other vulnerabilities in its-a-feature Mythic
Sources
Also known as GHSA-vq63-9qrm-qv35.