Vulnerability in Oraios Ai Serena
CVE-2026-38924
In Oraios AI Serena before 1.0.0, the listen address of the MCP server in HTTP mode is 0.0.0.0. NOTE: the Supplier observed that 0.0.0.0 was a "potential security hazard" but the Serena documentation, at the time of the issue report proposing 127.0.0.1 instead of 0.0.0.0, recommended "use a sandboxed environment for running Serena."
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.9 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (4.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 4.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/oraios/serena/commit/b00ae292ac2d49947506886f44eb1cad7b7d7cd1
- github.com/oraios/serena/security/advisories/GHSA-m922-r24v-6wff
- dash.security/blog/cve-2026-38924-unauthenticated-rce-in-the-serena-mcp-server
- github.com/oraios/serena/compare/v0.1.4...v1.0.0
- github.com/oraios/serena/commit/a7af5c1f8a9ea27102eac9e72f64dd97dbfefff3
Frequently asked questions
- What is CVE-2026-38924?
- CVE-2026-38924 is a low-severity vulnerability in Oraios Ai Serena, classified under Incorrect Resource Transfer Between Spheres. CVSS score: 2.9/10. Published 2026-09-14.
- How severe is CVE-2026-38924?
- Low severity. CVSS v3 base score is 2.9 out of 10.