Quick answers
- Is CVE-2026-102243 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-102243 being exploited in the wild.
- How severe is CVE-2026-102243?
- High severity, with a CVSS score of 7.4, published 29 September 2026.
- Which products and versions are affected?
- MODSetter SurfSense up to 2.0.3.
- Is there a fix for CVE-2026-102243?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-102243 attacked?
- It is attacked over the network, in a hosted service.
- Am I affected by CVE-2026-102243?
- Check whether you run MODSetter SurfSense at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The vulnerability is an OS command injection in the /api/v1/connectors/mcp/test endpoint that accepts arbitrary command, args, and env parameters from authenticated users and spawns them without validation. The backend processes run with root privileges (uid 0) in the default Docker deployment and inherit sensitive environment variables including API secrets and database credentials. Attack requires valid user authentication but no special privileges or user interaction.
Affected products
- MODSetter SurfSense up to 2.0.3
Timeline
- 2026-09-29: disclosed