CVE-2026-102243 MODSetter SurfSense MCP Connector Integration test command injection
Remote attackers can execute arbitrary commands via the MCP Connector Integration test endpoint in SurfSense, posing a critical security risk.
- 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-2026-102243?
CVE-2026-102243 is a medium-severity command injection vulnerability in MODSetter SurfSense, published on 29 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was identified in MODSetter SurfSense up to 2.0.3. This issue affects some unknown processing of the file /api/search-source/connectors/mcp/test of the component MCP Connector Integration. Such manipulation leads to command injection. It is possible to launch the attack remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-102243?
How do I fix CVE-2026-102243?
No fix has been published for CVE-2026-102243 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-102243 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-102243 exists.
Sources
Also known as GHSA-cm89-cv3h-2jcf.