Vendor
Nagios
119 known vulnerabilities.
Nagios at a glance
Show as table
| Month | Vulnerabilities | Critical |
|---|---|---|
| Nov 2026 | 0 | 0 |
| Oct 2026 | 0 | 0 |
| Sep 2026 | 2 | 0 |
| Aug 2026 | 0 | 0 |
| Jul 2026 | 0 | 0 |
| Jun 2026 | 0 | 0 |
| May 2026 | 0 | 0 |
| Apr 2026 | 0 | 0 |
| Mar 2026 | 0 | 0 |
| Feb 2026 | 3 | 0 |
| Jan 2026 | 0 | 0 |
| Dec 2025 | 0 | 0 |
| Nov 2025 | 5 | 1 |
| Oct 2025 | 97 | 13 |
| Sep 2025 | 1 | 0 |
| Aug 2025 | 1 | 0 |
| Jul 2025 | 0 | 0 |
| Jun 2025 | 0 | 0 |
| May 2025 | 0 | 0 |
| Apr 2025 | 0 | 0 |
| Mar 2025 | 0 | 0 |
| Feb 2025 | 0 | 0 |
| Jan 2025 | 0 | 0 |
| Dec 2024 | 0 | 0 |
Latest advisories
-
High max 6.5NCSC-2025-0065 2 CVEs
Kwetsbaarheden verholpen in Nagios XI
Nagios heeft kwetsbaarheden verholpen in Nagios XI (Specifiek voor versie 2024R1.2.2).
119 results · Feed
-
Low 3.5
An issue was discovered in Nagios XI before 5.9.3. The is_insecure_login_authenticated function uses a insecure timing …
-
Low 3.1
An issue was discovered in twilio_ajax_handler.php in Nagios XI before 5.9.3. An attacker can force a user to visit a m…
-
High 7.2CVE-2026-2041 EPSS 76%
Nagios Host zabbixagent_configwizard_func Command Injection Remote Code Execution Vulnerability
Nagios Host zabbixagent_configwizard_func Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Nagios Host. Authentication is required to exploit this vulnerab…
-
High 7.2CVE-2026-2043 EPSS 75%
Nagios Host esensors_websensor_configwizard_func Command Injection Remote Code Execution Vulnerability
Nagios Host esensors_websensor_configwizard_func Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Nagios Host. Authentication is required to exploit this v…
-
High 7.2
Nagios Host monitoringwizard Command Injection Remote Code Execution Vulnerability
Nagios Host monitoringwizard Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Nagios Host. Authentication is required to exploit this vulnerability. The sp…
-
High 8.5
Nagios Log Server < 2026R1.0.1 Local Privilege Escalation via Writable Scripts and Sudo Rules
Nagios Log Server versions prior to 2026R1.0.1 are vulnerable to local privilege escalation due to a combination of sudo misconfiguration and group-writable application directories. The 'www-data' user is a member of the 'nagios' group, which has write access…
-
High 8.6CVE-2025-34322 Public exploit
Nagios Log Server < 2026R1.0.1 Authenticated Command Injection via Natural Language Queries
Nagios Log Server versions prior to 2026R1.0.1 contain an authenticated command injection vulnerability in the experimental 'Natural Language Queries' feature. When this feature is configured, certain user-controlled settings—including model selection and con…
-
Medium 5.1
Nagios XI < 5.8.7 XSS in Core UI Views URL handling
Nagios XI versions prior to 5.8.7 using embedded Nagios Core are vulnerable to cross-site scripting (XSS) via the Core UI’s Views URL handling (escape_string()). Insufficient validation or escaping of user-supplied input may allow an attacker to inject and ex…
-
Critical 9.4
Nagios XI < 2024R1.1.3 Privilege Escalation via Migrate Server Feature to Root on Host
Nagios XI versions prior to 2024R1.1.3 contain a privilege escalation vulnerability in which an authenticated administrator could leverage the Migrate Server feature to obtain root privileges on the underlying XI host. By abusing the migration workflow, an ad…
-
Medium 6.0
Nagios XI < 2024R1.1.3 API Keys & Hashed Passwords Authenticated Information Disclosure
Nagios XI versions prior to 2024R1.1.3, under certain circumstances, disclose sensitive user account information (including API keys and hashed passwords) to authenticated users who should not have access to that data. Exposure of API keys or password hashes …
-
Medium 5.1
Nagios XI < 2024R1.1 XSS via Missing Page / 404
Nagios XI versions prior to < 2024R1.1 is vulnerable to a cross-site scripting (XSS) when a user visits the "missing page" (404) page after following a link from another website. The vulnerable component, page-missing.php, fails to properly validate or escape…
-
Medium 5.1
Nagios XI < 2011R1.9 XSS via xiwindow Variables Affecting Permalinks
Nagios XI versions prior to 2011R1.9 are vulnerable to cross-site scripting (XSS) via the handling of xiwindow variables used to build permalinks in the web interface. Insufficient validation or escaping of user-supplied input may allow an attacker to inject …
-
Medium 5.1
Nagios XI < 5.8.0 XSS via Views URL Handling
Nagios XI versions prior to 5.8.0 are vulnerable to cross-site scripting (XSS) via the Views feature URL handling. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a vict…
-
Medium 5.1
Nagios XI < 5.4.13 XSS via Views Page
Nagios XI versions prior to 5.4.13 are vulnerable to cross-site scripting (XSS) via the Views page of the web interface. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of …
-
Medium 5.1
Nagios XI < 2012R2.6 XSS via Tools Menu
Nagios XI versions prior to 2012R2.6 are vulnerable to cross-site scripting (XSS) via the Tools Menu of the web interface. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context o…
-
Medium 5.1
Nagios XI < 2011R1.9 XSS via Status/Report Page Link Functions
Nagios XI versions prior to 2011R1.9 are vulnerable to cross-site scripting (XSS) via the link-handling functions used by status and report pages. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary…
-
Medium 5.1
Nagios XI < 5.2.4 XSS via Report startdate/enddate Fields
Nagios XI versions prior to 5.2.4 are vulnerable to cross-site scripting (XSS) via the Reports interface through values from the startdate and enddate fields. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execu…
-
Medium 5.1
Nagios XI < 2011R1.9 XSS via Recurring Downtime Script
Nagios XI versions prior to 2011R1.9 are vulnerable to cross-site scripting (XSS) via the recurring downtime script of the web interface. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script i…
-
Medium 5.1
Nagios XI < 5.8.0 XSS via My Tools Page
Nagios XI versions prior to 5.8.0 are vulnerable to stored cross-site scripting (XSS) via the My Tools page. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's b…
-
Medium 5.1
Nagios XI < 5.2.4 XSS via “My Reports” Listing
Nagios XI versions prior to 5.2.4 are vulnerable to cross-site scripting (XSS) via the “My Reports” listing of the web interface. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the co…
-
Medium 5.1
Nagios XI < 5.2.4 XSS via Menu System
Nagios XI versions prior to 5.2.4 are vulnerable to cross-site scripting (XSS) via the Menu System of the web interface. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of …
-
Medium 5.1
Nagios XI < 5.7.3 XSS via Manage Users in Admin Interface
Nagios XI versions prior to 5.7.3 are vulnerable to cross-site scripting (XSS) via the Manage Users page of the Admin interface. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the con…
-
Medium 5.1
Nagios XI < 2024R1 XSS via Graph Explorer
Nagios XI versions prior to 2024R1 are vulnerable to cross-site scripting (XSS) via the Graph Explorer component. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victi…
-
Medium 5.1
Nagios XI < 5.11.3 XSS via Graph Explorer
Nagios XI versions prior to 5.11.3 are vulnerable to cross-site scripting (XSS) via the Graph Explorer component. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victi…
-
Medium 5.1
Nagios XI < 2024R1.1.3 XSS via Executive Summary Report
Nagios XI versions prior to 2024R1.1.3 are vulnerable to cross-site scripting (XSS) via the Executive Summary Report component. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the cont…
-
Medium 5.1
Nagios XI < 5.7.2 XSS via Dashboard Background Color Setting
Nagios XI versions prior to 5.7.2 are vulnerable to cross-site scripting (XSS) via the background color settings in Dashboards. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the cont…
-
Medium 5.1
Nagios XI < 2024R1.0.2 XSS via Core Command Expansion
Nagios XI versions prior to < 2024R1.0.2 are vulnerable to cross-site scripting (XSS) via the Nagios Core Command Expansion page. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the co…
-
Medium 5.1
Nagios XI < 2024R1.1.3 XSS via Capacity Planning Report
Nagios XI versions prior to 2024R1.1.3 are vulnerable to cross-site scripting (XSS) via the Capacity Planning Report component. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the cont…
-
Medium 5.1
Nagios XI < 5.11.3 XSS via Bulk Modifications
Nagios XI versions prior to 5.11.3 are vulnerable to cross-site scripting (XSS) via the Bulk Modifications tool. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim…
-
Medium 5.1
Nagios XI < 5.7.2 XSS via BPI Config Management
Nagios XI versions prior to 5.7.2 are vulnerable to cross-site scripting (XSS) via the BPI (Business Process Intelligence) component’s Config Management and Edit Config page. Insufficient validation or escaping of user-supplied input may allow an attacker to …
-
Medium 5.1
Nagios XI < 5.8.0 XSS via BPI Config ID Handling
Nagios XI versions prior to 5.8.0 are vulnerable to cross-site scripting (XSS) via BPI config ID handling. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's bro…
-
Medium 5.1
Nagios XI < 5.11.3 XSS via Bandwidth Report
Nagios XI versions prior to 5.11.3 are vulnerable to cross-site scripting (XSS) via the Bandwidth Report component. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a vic…
-
Medium 5.1
Nagios XI < 2011R1.9 XSS via backend_url JavaScript Link Handler
Nagios XI versions prior to 2011R1.9 are vulnerable to cross-site scripting (XSS) via the handling of the "backend_url" JavaScript link. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in…
-
Medium 5.1
Nagios XI < 2011R1.9 XSS via Alert Heatmap Report & “My Reports” Listing
Nagios XI versions prior to 2011R1.9 are vulnerable to cross-site scripting (XSS) via the Alert Heatmap report and the “My Reports” listing of the web interface. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and ex…
-
Medium 5.1
Nagios XI < 5.8.7 XSS in Audit Log via Send to NLS Form
Nagios XI versions prior to 5.8.7 are vulnerable to cross-site scripting (XSS) via the Audit Log page’s Send to NLS form. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of…
-
Medium 5.1
Nagios XI < 5.11.3 XSS & CSRF via Hypermap Replay
Nagios XI versions prior to 5.11.3 are vulnerable to cross-site scripting (XSS) and cross-site request forgery (CSRF) via the Hypermap Replay component. An attacker can submit crafted input that is not properly validated or escaped, allowing injection of mali…
-
Critical 9.4
Nagios XI < 2024R1 Web SSH Terminal Missing Access Control
Nagios XI versions prior to 2024R1 contain a missing access control vulnerability via the Web SSH Terminal. A remote, low-privileged attacker could access or interact with the terminal interface without sufficient authorization, potentially allowing unauthori…
-
High 8.7
Nagios XI < 5.7.2 Unrestricted File Upload via Audio Import Directory
Nagios XI versions prior to 5.7.2 allow PHP files to be uploaded to the Audio Import directory and executed from that location. The upload handler did not properly restrict file types or enforce storage outside of the webroot, and the web server permitted exe…
-
Medium 6.9
Nagios XI < 5.6.11 Unauthenticated XSS and SSRF via Highcharts
Nagios XI versions prior to 5.6.11 contain unauthenticated vulnerabilities in the Highcharts local exporting tool. Crafted export requests could (1) inject script into exported/returned content due to insufficient output encoding (XSS), and (2) cause the serv…
-
Medium 5.1
Nagios XI < 5.8.9 Stored XSS via Command Names in Apply Config Error Text
Nagios XI versions prior to 5.8.9 are vulnerable to cross-site scripting (XSS) via the Apply Configuration error text. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a …