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CVE-2025-27505— GeoServer Missing Authorization on REST API Index

Quick assessment

Affected
geoserver geoserver
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

GeoServer是GeoServer开源的一个用 Java 编写的开源软件服务器。允许用户共享和编辑地理空间数据。 GeoServer存在安全漏洞，该漏洞源于REST API安全绕过，可能导致信息泄露。

CVSS 5.3 · Medium EPSS 1.15% · P66

Public Exploits 1

Nuclei · 1 CVE-2025-27505.yaml [template]

Possible ATT&CK Techniques 1 AI

T1046 · Network Service Discovery
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I. Basic Information for CVE-2025-27505

Vulnerability Information
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Vulnerability Title
GeoServer Missing Authorization on REST API Index
Source: CVE Program / CVE List V5
Vulnerability Description
GeoServer is an open source server that allows users to share and edit geospatial data. It is possible to bypass the default REST API security and access the index page. The REST API security handles rest and its subpaths but not rest with an extension (e.g., rest.html). The REST API index can disclose whether certain extensions are installed. This vulnerability is fixed in 2.26.3 and 2.25.6. As a workaround, in ${GEOSERVER_DATA_DIR}/security/config.xml, change the paths for the rest filter to /rest.*,/rest/** and change the paths for the gwc filter to /gwc/rest.*,/gwc/rest/** and restart GeoServer.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
GeoServer 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GeoServer是GeoServer开源的一个用 Java 编写的开源软件服务器。允许用户共享和编辑地理空间数据。 GeoServer存在安全漏洞，该漏洞源于REST API安全绕过，可能导致信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
geoserver geoserver >= 2.26.0, < 2.26.3 -

II. Public POCs for CVE-2025-27505

# POC Description Source Link Shenlong Link
1 GeoServer contains a missing authorization vulnerability that allows unauthorized access to the REST API Index page, potentially exposing sensitive configuration information. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-27505.yaml POC Details
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III. Intelligence Information for CVE-2025-27505

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Vendor Advisories for CVE-2025-27505 (1)

Other References for CVE-2025-27505 (1)

Same Patch Batch · geoserver · 2025-06-10 · 7 CVEs total

CVE-2025-30220 9.9 CRITICAL GeoTools, GeoServer, and GeoNetwork XML External Entity (XXE) Processing Vulnerability in
CVE-2024-34711 9.3 CRITICAL GeoServer has improper ENTITY_RESOLUTION_ALLOWLIST URI validation in XML Processing (SSRF)
CVE-2024-29198 7.5 HIGH GeoServer Vulnerable to Unauthenticated SSRF via TestWfsPost
CVE-2025-30145 7.5 HIGH GeoServer has an Infinite Loop Vulnerability in Jiffle process
CVE-2024-40625 5.5 MEDIUM GeoServer Coverage REST API Allows Server Side Request Forgery
CVE-2024-38524 5.3 MEDIUM GWC Home Page communicate version and revision information

IV. Related Vulnerabilities

Same product: geoserver
Same vendor: geoserver
Same weakness: CWE-862

V. Comments for CVE-2025-27505

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