# MapServer vulnerabilities

Source: https://junglewise.ai/threats/technologies/mapserver  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 11 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/mapserver.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 3 vulnerabilities in MapServer: 0 in the last 7 days and 1 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-54354, was published on 17 September 2026. Nothing in the last four weeks, down from 1 vulnerability in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 1
- All time: 3 (0 critical, 0 exploited in the wild)

## About MapServer

Open source web mapping server that renders geospatial data and generates map images.

## Latest MapServer vulnerabilities

- [CVE-2026-54354: MapServer PostGIS SQL injection via numeric filter bypass](https://junglewise.ai/threats/cve-2026-54354-mapserver-postgis-sql-injection-via-numeric-filter-bypass) (high, CVSS 8.2, published 17 Sep 2026)
- [CVE-2026-45104: MapServer NULL pointer dereference in SLD ElseFilter parsing](https://junglewise.ai/threats/cve-2026-45104-mapserver-null-pointer-dereference-in-sld-elsefilter-parsing) (high, CVSS 7.5, published 27 May 2026)
- [CVE-2026-42030: MapServer reflected XSS in WMS server SRS parameter](https://junglewise.ai/threats/cve-2026-42030-mapserver-reflected-xss-in-wms-server-srs-parameter) (medium, CVSS 6.1, published 8 May 2026)

## Most severe MapServer vulnerabilities

- [CVE-2026-54354: MapServer PostGIS SQL injection via numeric filter bypass](https://junglewise.ai/threats/cve-2026-54354-mapserver-postgis-sql-injection-via-numeric-filter-bypass) (high, CVSS 8.2, published 17 Sep 2026)
- [CVE-2026-45104: MapServer NULL pointer dereference in SLD ElseFilter parsing](https://junglewise.ai/threats/cve-2026-45104-mapserver-null-pointer-dereference-in-sld-elsefilter-parsing) (high, CVSS 7.5, published 27 May 2026)
- [CVE-2026-42030: MapServer reflected XSS in WMS server SRS parameter](https://junglewise.ai/threats/cve-2026-42030-mapserver-reflected-xss-in-wms-server-srs-parameter) (medium, CVSS 6.1, published 8 May 2026)

## Vulnerabilities per week

Nothing in the last four weeks, down from 1 vulnerability in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 1 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "MapServer vulnerabilities", https://junglewise.ai/threats/technologies/mapserver, 11 November 2026.