CVE-2026-15501 AstrBotDevs AstrBot MCP Test Endpoint tools.py ToolsRoute.test_mcp_connection server-side request forgery
Remote attackers can exploit the MCP test endpoint to perform server-side request forgery, potentially accessing internal resources.
- 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-2026-15501?
CVE-2026-15501 is a medium-severity server-side request forgery vulnerability in AstrBotDevs AstrBot, published on 12 Jul 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 AstrBotDevs AstrBot up to 4.25.2. Affected by this issue is the function ToolsRoute.test_mcp_connection of the file astrbot/dashboard/routes/tools.py of the component MCP Test Endpoint. The manipulation of the argument mcp_server_config.url leads to server-side request forgery. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Weakness: CWE-918
Which versions are affected by CVE-2026-15501?
How do I fix CVE-2026-15501?
No fix has been published for CVE-2026-15501 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-2026-15501 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15501 exists.
Sources
Also known as GHSA-hhgm-hv3h-m233.