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01 Record

CVE-2026-54140

OpenHuman: MCP tool description injection: untrusted server descriptions execute in agent LLM context without sanitization

HighPUBLISHEDCNA: GitHub_M
CNA base score8.3 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

02 Description

OpenHuman: MCP tool description injection: untrusted server descriptions execute in agent LLM context without sanitization

03 Exploitation and scoring

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.

04 Metadata

Published
2026-11-05 16:13Z1 HR AGO
Last updated
2026-11-05 16:13Z1 HR AGO
Reserved
2026-06-11
Assigning CNA
GitHub_M
Record state
PUBLISHED
Severity
High (CVSS 8.3)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Weaknesses
  • CWE-1427Improper Neutralization of Input Used for LLM PromptingBase
Data version
5.2
Document digest
3d269da743829d56fbb94fb228fa33a56ea30d7e1a0e1c5fa97b4330d6cf20ae

05 Affected products

VendorProductVersionsPlatforms
tinyhumansaiopenhuman< 0.57.13—

06 References