ondata ckan-mcp-server up to 0.4.111 URL Validation src/tools/quality.ts ckan_get_mqa_quality/ckan_get_mqa_quality_details server_url input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.2$0-$5k3.22

Summaryinfo

A vulnerability, which was classified as problematic, has been found in ondata ckan-mcp-server up to 0.4.111. The affected element is the function ckan_get_mqa_quality/ckan_get_mqa_quality_details of the file src/tools/quality.ts of the component URL Validation. This manipulation of the argument server_url causes input validation. This vulnerability is registered as CVE-2026-73845. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in ondata ckan-mcp-server up to 0.4.111 and classified as problematic. Affected by this vulnerability is the function ckan_get_mqa_quality/ckan_get_mqa_quality_details of the file src/tools/quality.ts of the component URL Validation. The manipulation of the argument server_url with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality. The summary by CVE is:

CKAN MCP Server is a tool for querying CKAN open data portals. Prior to 0.4.112, the ckan_get_mqa_quality and ckan_get_mqa_quality_details tools in src/tools/quality.ts use isValidMqaServer to validate the server_url parameter with a prefix-only regular expression for dati.gov.it, allowing suffix-host and URL-userinfo values to target an attacker-controlled host and return a spoofed response. This issue is fixed in version 0.4.112.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-73845 since 08/13/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 0.4.112 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (GitHub_M): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: ckan-mcp-server 0.4.112

Timelineinfo

08/13/2026 CVE reserved
08/14/2026 +1 days Advisory disclosed
08/14/2026 +0 days VulDB entry created
08/14/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-73845 (🔒)
GCVE (CVE): GCVE-0-2026-73845
GCVE (VulDB): GCVE-100-390055

Entryinfo

Created: 08/14/2026 19:25
Changes: 08/14/2026 19:25 (68)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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