CVE-2026-30856
WeKnora: Tool Execution Hijacking via Ambigous Naming Convention In MCP client and Indirect Prompt Injection
5.9CVSSMEDIUM
Description
WeKnora Vulnerable to Tool Execution Hijacking via Ambigous Naming Convention In MCP client and Indirect Prompt Injection
CVSS Vector Breakdown
Exploitability
AV:NAttack VectorNetwork
AC:HAttack ComplexityHigh
PR:LPrivileges RequiredLow
UI:RUser InteractionRequired
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:LIntegrityLow
A:LAvailabilityLow
Weaknesses
Affected Products
Exploitability
Official Patch Available
References
https://github.com/Tencent/WeKnora/security/advisories/GHSA-67q9-58vj-32qx
github.com
https://nvd.nist.gov/vuln/detail/CVE-2026-30856
nvd.nist.gov
https://forum.cursor.com/t/mcp-tools-name-collision-causing-cross-service-tool-call-failures/70946
forum.cursor.com
and 3 more references View all →
Timeline
Published
Mar 7, 2026
Last Updated
Apr 13, 2026
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