CVE-2026-52870
🗓️ 15 Jul 2026 20:07:53Reported by GitHub_MType 
cve🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 104 Views🌐 WEB
| Reporter | Title | Published | Views | Family All 50 |
|---|---|---|---|---|
 | Security Bulletin: Multiple security vulnerabilities have been identified in Python packages shipped with IBM Guardium Cryptography Manager (GCM) | 28 Sep 202614:27 | – | ibm |
| Security Bulletin: Multiple vulnerabilities in IBM MQ Agent images | 27 Aug 202616:07 | – | ibm |
 | CVE-2026-52870 | 15 Jul 202620:07 | – | attackerkb |
 | CVE-2026-52870 vulnerabilities | 21 Jul 202614:17 | – | cgr |
 | CVE-2026-52870 | 15 Jul 202621:00 | – | circl |
 | CVE-2026-52870 MCP Python SDK: Experimental task handlers allow any client to access and cancel other clients' tasks | 15 Jul 202620:07 | – | cvelist |
 | CVE-2026-52870 | 15 Jul 202620:07 | – | debiancve |
 | EUVD-2026-44797 | 16 Jul 202619:56 | – | euvd |
 | MCP Python SDK: Experimental task handlers allow any client to access and cancel other clients' tasks | 16 Jul 202619:56 | – | github |
 | CVE-2026-52870 | 15 Jul 202620:07 | – | mend |
10
Node
[
{
"vendor": "modelcontextprotocol",
"product": "python-sdk",
"versions": [
{
"version": ">= 1.23.0, < 1.27.2",
"status": "affected"
}
]
}
]| Parameter | Position | Path | Description | CWE |
|---|---|---|---|---|
| task_id | path | tasks/list | Default handlers for tasks/list do not record the session, allowing any connected client to enumerate tasks created by other clients. | CWE-862 |
| task_id | path | tasks/get | Default handlers for tasks/get do not record the session, allowing any connected client to read results from other clients' tasks. | CWE-862 |
| task_id | path | tasks/result | Default handlers for tasks/result do not record the session, allowing any connected client to read results from other clients' tasks. | CWE-862 |
| task_id | path | tasks/cancel | Default handlers for tasks/cancel do not record the session, allowing any connected client to cancel other clients' tasks. | CWE-862 |
Data
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17 Jul 2026 18:07Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.17.6
EPSS0.00388
SSVC