CVE-2026-54354

Summary

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.

Affected Software

Weaknesses

• CWE-89: CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

References

• https://github.com/MapServer/MapServer/security/advisories/GHSA-xp29-8wp5-wc3p
• https://github.com/MapServer/MapServer/pull/7516
• https://github.com/MapServer/MapServer/commit/65f1b53c258df2abdf6ce1f437c29e75e9976247
• https://github.com/MapServer/MapServer/commit/bd59d49779d2ecc64ca8dc1281c53231a50b698e
• https://github.com/MapServer/MapServer/releases/tag/rel-8-6-4
• https://mapserver.org/development/changelog/changelog-8-6.html#changelog-8-6

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