CVE-2025-6669 gooaclok819 sublinkX jwt.go hard-coded key
An attacker can bypass JWT authentication in sublinkX by exploiting a hard-coded cryptographic key, potentially gaining unauthorized access.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-6669?
CVE-2025-6669 is a medium-severity vulnerability in gooaclok819 sublinkX, published on 25 Jun 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was found in gooaclok819 sublinkX up to 1.8. It has been declared as problematic. This vulnerability affects unknown code of the file middlewares/jwt.go. The manipulation with the input sublink leads to use of hard-coded cryptographic key . The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 1.9 is able to address this issue. The patch is identified as 778d26aef723daa58df98c8060c43f5bf5d1b10b. It is recommended to upgrade the affected component.
Which versions are affected by CVE-2025-6669?
How do I fix CVE-2025-6669?
No fix has been published for CVE-2025-6669 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-6669 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-6669 exists.
Sources
Also known as GHSA-gfjv-xv9m-gwx5.