TO
Vendor
The OpenNMS Group
2 products with CVEs on record
44
CVEs
0
On KEV
4
New 30D
Products
Recent CVEs
CVEProductCVSSEPSSPublishedSummary
CVE-2026-111252
ME
Meridian
The OpenNMS Group
6.5
0%
Oct 15OpenNMS denial of service via XML entity expansion
CVE-2026-111235
HO
Horizon
The OpenNMS Group
9.1
0%
Oct 15OpenNMS REST authorization bypass via non-canonical HTTP method
CVE-2026-89089
HO
Horizon
The OpenNMS Group
6.5
0%
Sep 10OpenNMS SQL injection in shipped Asset Management JasperReports via the DATE_FORMAT parameter (ROLE_USER)
CVE-2026-19596
HO
Horizon
The OpenNMS Group
5.9
0%
Sep 10OpenNMS XML collector XXE allows arbitrary file read from the OpenNMS host
CVE-2026-89054
HO
Horizon
The OpenNMS Group
8.2
1%
Sep 10OpenNMS missing authorization on /api/v2 PATCH endpoints allows unauthenticated configuration changes
CVE-2026-19182
ME
Meridian
The OpenNMS Group
4.3
0%
Aug 13OpenNMS v2 Alarm REST API inverted authorization check lets ROLE_REST users acknowledge alarms as any user and bypass read-only
CVE-2026-19135
ME
Meridian
The OpenNMS Group
5.4
0%
Aug 13OpenNMS JEXL sandbox bypass in Measurements REST API allows ROLE_USER to load arbitrary classes
CVE-2025-53122
HO
Horizon
The OpenNMS Group
6.9
0%
Jun 26SQLi in OpenNMS Horizon and Meridian
CVE-2025-53121
ME
Meridian
The OpenNMS Group
6.9
0%
Jun 26Stored XSS in multiple 33.0.8files in opennms/opennms
CVE-2023-40314
HO
Horizon
The OpenNMS Group
6.1
0%
Nov 16Cross-site scripting in bootstrap.jsp
CVE-2023-40612
ME
Meridian
The OpenNMS Group
8.0
0%
Aug 23Authenticated XXE Injection Via The File Editor
CVE-2023-40315
ME
Meridian
The OpenNMS Group
8.0
3%
Aug 17ROLE_FILESYSTEM_EDITOR Can Be Used To Escalate To ROLE_ADMIN
CVE-2023-40313
HO
Horizon
The OpenNMS Group
8.8
1%
Aug 17Disable BeanShell Interpreter Remote Server Mode
CVE-2023-40312
HO
Horizon
The OpenNMS Group
5.2
1%
Aug 14Reflected XSS in multiple JSP files in opennms/opennms
CVE-2023-40311
ME
Meridian
The OpenNMS Group
4.8
1%
Aug 14Stored XSS in multiple JSP files in opennms/opennms
CVE-2023-0872
ME
Meridian
The OpenNMS Group
8.0
3%
Aug 14ROLE_REST can be used to escalate to ROLE_ADMIN via /rest/users
CVE-2023-0871
ME
Meridian
The OpenNMS Group
6.1
1%
Aug 11An XML External Entity injection vulnerability
CVE-2023-0870
HO
Horizon
The OpenNMS Group
6.7
0%
Mar 22Form Can Be Manipulated with Cross-Site Request Forgery (CSRF)
CVE-2023-0815
ME
Meridian
The OpenNMS Group
6.5
1%
Feb 23Plaintext Password Present in the Web logs
CVE-2023-0867
HO
Horizon
The OpenNMS Group
6.1
0%
Feb 23Multiple stored and reflected Cross-site Scripting in webapp
CVE-2023-0868
HO
Horizon
The OpenNMS Group
6.1
0%
Feb 23Stealing Cookies using Reflected XSS via graph results
CVE-2023-0869
HO
Horizon
The OpenNMS Group
6.1
0%
Feb 23Cross-site scripting in outage/list.htm
CVE-2023-0846
HO
Horizon
The OpenNMS Group
6.1
0%
Feb 22Unauthenticated, stored XSS in display of alarm reduction-key