01 Record
CVE-2026-109332
Network-AI before 5.15.2 CORS Origin Validation Error in MCP SSE Transport
LowPUBLISHEDCNA: VulnCheck
CNA base score2.3 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
02 Description
Network-AI before 5.15.2 CORS Origin Validation Error in MCP SSE Transport
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
- 0.14% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 3.6% of scored records. A rank, not a probability.
- NVD base score
- 2.3 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVD analysis status
- Deferred. NVD last modified this record on 2026-10-15.
- 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
- 2026-10-12 16:05Z16 DAYS AGO
- Last updated
- 2026-10-15 02:48Z14 DAYS AGO
- Reserved
- 2026-10-12
- Assigning CNA
- VulnCheck
- Record state
- PUBLISHED
- Severity
- Low (CVSS 2.3)
- CNA CVSS vector
- CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- Weaknesses
- CWE-346Origin Validation ErrorClass
- Data version
- 5.2
- Document digest
- a4c989cc7a6aac1a9a5a59de9298780b8272c38b9b23da6840c59ca1366500d3
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comGitHub Security Advisory (GHSA-4pvg-m42h-c3x2)https://github.com/Jovancoding/Network-AI/security/advisories/GHSA-4pvg-m42h-c3x2
- www.vulncheck.comVulnCheck Advisory: Network-AI before 5.15.2 CORS Origin Validation Error in MCP SSE Transporthttps://www.vulncheck.com/advisories/network-ai-before-5.15.2-cors-origin-validation-error-in-mcp-sse-transport