CVE-2026-5803 bigsk1 openai-realtime-ui API Proxy Endpoint server.js server-side request forgery
Remote attackers can exploit a server-side request forgery flaw in the API proxy endpoint 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-2026-5803?
CVE-2026-5803 is a medium-severity server-side request forgery vulnerability in bigsk1 openai-realtime-ui, published on 8 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A security flaw has been discovered in bigsk1 openai-realtime-ui up to 188ccde27fdf3d8fab8da81f3893468f53b2797c. The affected element is an unknown function of the file server.js of the component API Proxy Endpoint. Performing a manipulation of the argument Query results in server-side request forgery. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The patch is named 54f8f50f43af97c334a881af7b021e84b5b8310f. It is suggested to install a patch to address this issue.
Weakness: CWE-918
Which versions are affected by CVE-2026-5803?
How do I fix CVE-2026-5803?
No fix has been published for CVE-2026-5803 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-2026-5803 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5803 exists.
Sources
Also known as GHSA-q8cg-hw7c-28qg.