CVE-2026-73846

CKAN MCP Server is a tool for querying CKAN open data portals. Prior to 0.4.112, canonicalizeParams in src/utils/cache.ts serializes request parameters with unescaped ampersand, equals-sign, and vertical-bar delimiters, allowing different logical parameter sets used by buildCacheKey to collide and an attacker to prime a shared cache with a response for a victim's distinct query. This issue is fixed in version 0.4.112.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 4.2

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/ondata/ckan-mcp-server/commit/8e1522f9bbfa1f3b21550f17887f60f133e24151
https://github.com/ondata/ckan-mcp-server/releases/tag/v0.4.112
https://github.com/ondata/ckan-mcp-server/security/advisories/GHSA-78x9-fhhx-v2g6
https://github.com/ondata/ckan-mcp-server/security/advisories/GHSA-78x9-fhhx-v2g6

Configurations

No configuration.

History

No history.

Information

Published : 2026-08-14 17:20

Updated : 2026-08-17 20:16

NVD link : CVE-2026-73846

Mitre link : CVE-2026-73846

CVE.ORG link : CVE-2026-73846

JSON object : View

Products Affected

No product.

CWE

CWE-345

Insufficient Verification of Data Authenticity

CWE-436

Interpretation Conflict

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