Quick answers
- Is CVE-2026-52001 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-52001 being exploited in the wild.
- How severe is CVE-2026-52001?
- Informational severity, published 24 September 2026.
- Which products and versions are affected?
- Geelen Mcp-Remote 0.1.18 through 0.1.38.
- Is there a fix for CVE-2026-52001?
- 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-2026-52001 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-52001?
- Check whether you run Geelen Mcp-Remote 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 exists in the SSE transport eventSourceInit fetch wrapper in src/lib/utils.ts. A remote attacker can exploit this to access sensitive information without requiring authentication or user interaction. The vulnerability is an information disclosure issue in the SSE transport mechanism.
Affected products
- geelen mcp-remote 0.1.18 through 0.1.38
Timeline
- 2026-09-24: disclosed