CVE-2026-116686 Model Context Protocol Python SDK: Client fetched server-chosen $ref URLs while validating tool results against output schemas
| Reporter | Title | Published | Views | Family All 6 |
|---|---|---|---|---|
 | CVE-2026-116686 | 27 Oct 202619:33 | – | circl |
 | CVE-2026-116686 | 27 Oct 202619:29 | – | cve |
 | EUVD-2026-111366 | 27 Oct 202619:29 | – | euvd |
 | Model Context Protocol Python SDK: Client fetched server-chosen $ref URLs while validating tool results against output schemas | 27 Oct 202621:05 | – | github |
 | CVE-2026-116686 | 27 Oct 202620:17 | – | nvd |
 | GHSA-RWRF-2PQF-9J8J Model Context Protocol Python SDK: Client fetched server-chosen $ref URLs while validating tool results against output schemas | 27 Oct 202621:05 | – | osv_ghsa |
[
{
"vendor": "modelcontextprotocol",
"product": "python-sdk",
"versions": [
{
"version": ">= 1.10.0, < 1.30.0",
"status": "affected"
},
{
"version": ">= 2.0.0, < 2.2.0",
"status": "affected"
}
]
}
]Data
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27 Oct 2026 19:29Current
CVSS 3.16.5