01 Record
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,
LowPUBLISHEDCNA: mitre
CNA base score2.9 CVSS v3.xCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
02 Description
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,
03 Exploitation and scoring
- Exploitation
- Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.
- SSVC decision
- ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.15% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 4.8% of scored records. A rank, not a probability.
- NVD base score
- 2.9 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
- NVD analysis status
- Deferred. NVD last modified this record on 2026-09-22.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-09-14 00:00Z1 MO AGO
- Last updated
- 2026-09-14 16:32Z1 MO AGO
- Reserved
- 2026-04-06
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Low (CVSS 2.9)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
- Weaknesses
- CWE-669Incorrect Resource Transfer Between SpheresClass
- Data version
- 5.2
- Document digest
- 6ea6ec153bf5ad4ac933a4fe9eba8a9b0309b7bd3dba16c93dde0833a253a625
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comhttps://github.com/oraios/serena/commit/b00ae292ac2d49947506886f44eb1cad7b7d7cd1
- github.comhttps://github.com/oraios/serena/security/advisories/GHSA-m922-r24v-6wff
- dash.securityhttps://dash.security/blog/cve-2026-38924-unauthenticated-rce-in-the-serena-mcp-server
- github.comhttps://github.com/oraios/serena/compare/v0.1.4...v1.0.0
- github.comhttps://github.com/oraios/serena/commit/a7af5c1f8a9ea27102eac9e72f64dd97dbfefff3