CVE-2025-56499 Missing authorization in n/a
Authenticated low-privilege users can read arbitrary files with elevated privileges by obtaining the external control key from the configuration file.
- 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-2025-56499?
CVE-2025-56499 is a medium-severity missing authorization vulnerability in n/a, published on 18 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Incorrect access control in mihomo v1.19.11 allows authenticated attackers with low-level privileges to read arbitrary files with elevated privileges via obtaining the external control key from the config file.
Weakness: CWE-284
Which versions are affected by CVE-2025-56499?
It affects 1 product.
Products include Metacubex Mihomo.
How do I fix CVE-2025-56499?
No fix has been published for CVE-2025-56499 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-2025-56499 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-56499 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-7m6g-3fpv-8gmx.