In GeoServer versions prior to 2.26.3 and 2.25.6 a medium severity vulnerability CVE-2025-27505 was detected. This vulnerability allows attackers to bypass REST API access controls by appending file extensions (e.g., `.html`) to the `/rest` path, potentially disclosing information about installed extensions. To address this issue, users should upgrade GeoServer to versions 2.26.3 or 2.25.6. For more details, visit https://nvd.nist.gov/vuln/detail/CVE-2025-27505.
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In GeoServer versions prior to 2.26.0 a medium severity vulnerability CVE-2024-40625 was detected. This vulnerability allows attackers to upload arbitrary files via the Coverage REST API endpoint `/workspaces/{workspaceName}/coveragestores/{storeName}/url.{format}` by abusing the `url` method without proper restrictions. To address this issue, users should upgrade GeoServer to versions 2.26.0. For more details, visit https://nvd.nist.gov/vuln/detail/CVE-2024-40625.
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In GeoServer versions prior to 2.26.2 and 2.25.6 a medium severity vulnerability CVE-2024-38524 was detected. This vulnerability allows users to access potentially sensitive information via the `GeoWebCacheDispatcher.handleFrontPage` method, as there is no default mechanism to hide storage locations unless a specific system property is manually configured. To address this issue, users should upgrade GeoServer to versions 2.26.2 or 2.25.6. For more details, visit https://nvd.nist.gov/vuln/detail/CVE-2024-38524.
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In GeoServer versions prior to 2.27.1, 2.26.3 and 2.25.7 a critical severity vulnerability CVE-2025-30220 was detected. This vulnerability allows attackers to exploit XML External Entity (XXE) injection due to improper use of the EntityResolver in the GeoTools Schema class, affecting XML parsing when external schemas are referenced. To address this issue, users should upgrade GeoServer to versions 2.27.1, 2.26.3 or 2.25.7. For more details, visit https://nvd.nist.gov/vuln/detail/CVE-2025-30220.
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In GeoServer versions prior to 2.27.0, 2.26.3 and 2.25.7 a high severity vulnerability CVE-2025-30145 was detected. This vulnerability allows attackers to execute malicious Jiffle scripts as rendering transformations in WMS dynamic styles or WPS processes, potentially triggering an infinite loop and causing denial of service. To address this issue, users should upgrade GeoServer to versions 2.27.0, 2.26.3 or 2.25.7. For more details, visit https://nvd.nist.gov/vuln/detail/CVE-2025-30145.
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In Discourse versions prior to 3.4.4 (stable branch), 3.5.0.beta5 (beta branch) and 3.5.0.beta6-dev (tests-passed branch) a high severity vulnerability CVE-2025-48053 was detected. This vulnerability allows attackers to reduce the availability of a Discourse instance by sending a malicious URL in a private message to a bot user. To address this issue, users should upgrade Discourse to versions 3.4.4 (stable branch), 3.5.0.beta5 (beta branch) or 3.5.0.beta6-dev (tests-passed branch). For more details, visit https://nvd.nist.gov/vuln/detail/CVE-2025-48053.
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