Multiple vulnerabilities have been identified in LibreNMS, allowing attackers to execute arbitrary code remotely, perform server-side request forgery (SSRF), and enable reflected cross-site scripting (XSS) attacks. Systems affected include versions of LibreNMS prior to 26.5.0. The vulnerabilities are detailed in seven security advisories published on August 4, 2026, by the LibreNMS team. Affected users are advised to consult the provided security bulletins for patches and updates. The vulnerabilities are also referenced under CVE-2026-45694. No specific mitigation steps beyond applying available updates are recommended in the official documentation.
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