CVSS 3.1
6.5 mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:NCVE-2026-73846
Medium (6.5). EPSS 0.2% chance of exploitation in the next 30 days. Fixed in @aborruso/ckan-mcp-server 0.4.112.
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.
Severity
- EPSS
- 0.2% chance of exploitation in the next 30 days; higher than 9% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-345, CWE-436
- Published
- Modified
- Record from
- the NVD, synced
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-78x9-fhhx-v2g6 | npm | @aborruso/ckan-mcp-server | <0.4.112 | 0.4.112 |
References
- 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