Description
MapServer is a system for developing web-based GIS applications. Prior to 8.6.4, MapServer's PostGIS runtime filter translation in src/mappostgis.cpp and msPostGISLayerTranslateFilter() treats a filteritem as numeric when CONNECTIONTYPE POSTGIS and metadata such as gml_<item>_type=Integer are configured, but it does not verify that attacker-controlled CGI qstring or OGC API Features featureId input is a numeric literal. The unquoted input is concatenated into the generated PostgreSQL/PostGIS predicate, allowing an unauthenticated remote attacker with access to an affected query endpoint to bypass predicates, enumerate unintended records, perform boolean-based or time-based SQL injection, and increase database load. The issue does not by itself establish database modification capabilities. This issue is fixed in version 8.6.4.
Published: 2026-09-17
Score: 8.2 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Remediation

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History

Fri, 18 Sep 2026 12:30:00 +0000

Type Values Removed Values Added
First Time appeared Mapserver
Mapserver mapserver
Vendors & Products Mapserver
Mapserver mapserver

Thu, 17 Sep 2026 20:45:00 +0000

Type Values Removed Values Added
Description MapServer is a system for developing web-based GIS applications. Prior to 8.6.4, MapServer's PostGIS runtime filter translation in src/mappostgis.cpp and msPostGISLayerTranslateFilter() treats a filteritem as numeric when CONNECTIONTYPE POSTGIS and metadata such as gml_<item>_type=Integer are configured, but it does not verify that attacker-controlled CGI qstring or OGC API Features featureId input is a numeric literal. The unquoted input is concatenated into the generated PostgreSQL/PostGIS predicate, allowing an unauthenticated remote attacker with access to an affected query endpoint to bypass predicates, enumerate unintended records, perform boolean-based or time-based SQL injection, and increase database load. The issue does not by itself establish database modification capabilities. This issue is fixed in version 8.6.4.
Title MapServer: PostGIS Numeric Filter Value SQL Injection in MapServer Runtime Query Translation
Weaknesses CWE-89
References
Metrics cvssV3_1

{'score': 8.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L'}


Subscriptions

Mapserver Mapserver
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-09-18T14:43:41.551Z

Reserved: 2026-06-12T19:23:22.318Z

Link: CVE-2026-54354

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-17T21:17:15.260

Modified: 2026-09-17T21:17:15.260

Link: CVE-2026-54354

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-18T12:15:06Z

Weaknesses
  • CWE-89

    Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')