CVE-2026-3788 Bytedesk SpringAIOpenrouterRestController SpringAIOpenrouterRestService.java getModels server-side request forgery
Remote attackers can exploit a server-side request forgery vulnerability in Bytedesk's AI service to access internal resources or bypass security controls.
- 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-2026-3788?
CVE-2026-3788 is a medium-severity server-side request forgery vulnerability in Bytedesk, published on 8 Mar 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security vulnerability has been detected in Bytedesk up to 1.3.9. This impacts the function getModels of the file source-code/src/main/java/com/bytedesk/ai/springai/providers/openrouter/SpringAIOpenrouterRestService.java of the component SpringAIOpenrouterRestController. Such manipulation of the argument apiUrl leads to server-side request forgery. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 1.4.5.4 will fix this issue. The name of the patch is 975e39e4dd527596987559f56c5f9f973f64eff7. It is recommended to upgrade the affected component.
Weakness: CWE-918
Which versions are affected by CVE-2026-3788?
It affects 1 product.
Products include Bytedesk Bytedesk.
How do I fix CVE-2026-3788?
No fix has been published for CVE-2026-3788 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-3788 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3788 exists.
Other vulnerabilities in Bytedesk
Sources
Also known as GHSA-2x8h-3gx5-578j.