Cloud Vulnerability DB
An open project to list all known cloud vulnerabilities and Cloud Service Provider security issues
Vulnerability DatabaseCVE-2025-27505
CVE-2025-27505:
Java vulnerability analysis and mitigation
Overview
GeoServer, an open source server for sharing and editing geospatial data, was found to contain a security vulnerability identified as CVE-2025-27505. The vulnerability allows attackers to bypass the default REST API security and access the index page. This security flaw exists because the REST API security handles 'rest' and its subpaths but fails to properly handle 'rest' with an extension (e.g., rest.html). The vulnerability was disclosed on June 10, 2025, and affects GeoServer versions prior to 2.26.3 and 2.25.6 (GitHub Advisory).
Technical details
The vulnerability is classified as a Missing Authorization issue (CWE-862) with a CVSS v3.1 base score of 5.3 (Medium). The CVSS vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N, indicating that the vulnerability can be exploited over the network, requires low attack complexity, needs no privileges or user interaction, and has a limited impact on confidentiality with no impact on integrity or availability (GitHub Advisory).
Impact
The primary impact of this vulnerability is the potential disclosure of information about installed extensions through the REST API index. This information disclosure could provide attackers with valuable insights about the system configuration (GitHub Advisory).
Mitigation and workarounds
The vulnerability has been patched in GeoServer versions 2.26.3 and 2.25.6. For users unable to upgrade immediately, a workaround is available: modify the ${GEOSERVERDATADIR}/security/config.xml file to change the paths for the rest filter to /rest.,/rest/* and the paths for the gwc filter to /gwc/rest.,/gwc/rest/*, followed by a GeoServer restart (GitHub Advisory).
Additional resources
Source: This report was generated using AI
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