04 Affected products
PAIRS: —
01 RecordSTATE: PUBLISHED
02 Description
CNA: GitHub_MPraisonAI: Origin validation bypass in MCP HTTP Stream transport allows browser-mediated unauthenticated tool execution on local MCP server
03 Exploitation and scoring
SRC: CISA, FIRST, NVD, RED HAT- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- Not scored by EPSS
- EPSS percentile
- Not scored by EPSS
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Not recorded
- 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.
SCHEMA: 5.2
- Published
- 2026-08-25 14:26Z31 MIN AGO
- Last updated
- 2026-08-25 14:26Z31 MIN AGO
- Reserved
- 2026-06-16
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.9)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N
- Weaknesses
- CWE-306Missing Authentication for Critical FunctionBase
- CWE-346Origin Validation ErrorClass
- Data version
- 5.2
- Document digest
- 59529cab169e817ab1d3e343a0a4c91df6d4252aef3b07a4d25a6b191650b8d2
05 Affected products
PAIRS: 1VendorProductVersionsPlatforms