CVE-2026-5346 huimeicloud hm_editor image-to-base64 Endpoint mcp-server.js client.get server-side request forgery
Remote attackers can exploit a server-side request forgery vulnerability in the image-to-base64 endpoint to access internal resources.
- 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-2026-5346?
CVE-2026-5346 is a medium-severity server-side request forgery vulnerability in huimeicloud hm_editor, published on 2 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was determined in huimeicloud hm_editor up to 2.2.3. Impacted is the function client.get of the file src/mcp-server.js of the component image-to-base64 Endpoint. Executing a manipulation of the argument url can lead to server-side request forgery. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.
Weakness: CWE-918
Which versions are affected by CVE-2026-5346?
How do I fix CVE-2026-5346?
No fix has been published for CVE-2026-5346 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-2026-5346 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5346 exists.
Sources
Also known as GHSA-395j-2jwf-q33h.