ME
Product
Meridian
by The OpenNMS Group · last CVE Oct 15, 2026
21
CVEs
0
On KEV
9.1
Max CVSS
2
New 30D
Severity mix
Critical 1High 4Medium 16Low 0
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CVECVSSEPSSPublishedSummary · affected versions
CVE-2026-111235
9.1
0%
Oct 15
OpenNMS REST authorization bypass via non-canonical HTTP method
Affected: 2024.1.0 before 2024.3.14; 2025.0.0 before 2025.0.11; 2026.0.0 before 2026.0.1
CVE-2023-40313
8.8
1%
Aug 17
Disable BeanShell Interpreter Remote Server Mode
Affected: 2020.0.0 through 2020.1.37; 2021.0.0 through 2021.1.29; 2022.0.0 through 2022.1.18; 2023.0.0 through 2023.1.5
CVE-2023-40612
8.0
0%
Aug 23
Authenticated XXE Injection Via The File Editor
Affected: 2023.0.0 before 2023.1.5
CVE-2023-40315
8.0
3%
Aug 17
ROLE_FILESYSTEM_EDITOR Can Be Used To Escalate To ROLE_ADMIN
Affected: 2023.0.0 before 2023.1.5
CVE-2023-0872
8.0
3%
Aug 14
ROLE_REST can be used to escalate to ROLE_ADMIN via /rest/users
Affected: 2020.0.0 through 2020.1.37; 2021.0.0 through 2021.1.29; 2022.0.0 through 2022.1.18; 2023.0.0 through 2023.1.5
CVE-2025-53122
6.9
0%
Jun 26
SQLi in OpenNMS Horizon and Meridian
Affected: 2024.1.0 before 2024.2.6, 2024.2.7
CVE-2025-53121
6.9
0%
Jun 26
Stored XSS in multiple 33.0.8files in opennms/opennms
Affected: 2024.1.4 before 2024.2.6, 2024.2.7; 2023.1.20 before 2024.2.6, 2024.2.7
CVE-2023-0870
6.7
0%
Mar 22
Form Can Be Manipulated with Cross-Site Request Forgery (CSRF)
Affected: 2020.1.0 before 2020.1.33; 2021.1.0 before 2021.1.25; 2022.1.0 before 2022.1.14; 2023.1.0 before 2023.1.1
CVE-2026-111252
6.5
0%
Oct 15
OpenNMS denial of service via XML entity expansion
Affected: 2024.1.0 before 2024.3.14; 2025.0.0 before 2025.0.11; 2026.0.0 before 2026.0.1
CVE-2026-89089
6.5
0%
Sep 10
OpenNMS SQL injection in shipped Asset Management JasperReports via the DATE_FORMAT parameter (ROLE_USER)
Affected: 2024.1.0 before 2024.3.13; 2025.0.0 before 2025.0.10
CVE-2023-0815
6.5
1%
Feb 23
Plaintext Password Present in the Web logs
Affected: 2020.1.0 before 2020.1.32; 2021.1.0 before 2021.1.24; 2022.1.0 before 2022.1.13
CVE-2023-0871
6.1
1%
Aug 11
An XML External Entity injection vulnerability
Affected: 2023.0.0 before 2023.1.6; 2022.0.0 before 2022.1.19; 2021.0.0 before 2021.1.30; 2020.0.0 before 2020.1.38
CVE-2023-0867
6.1
0%
Feb 23
Multiple stored and reflected Cross-site Scripting in webapp
Affected: 2020.1.0 before 2020.1.32; 2021.1.0 before 2021.1.24; 2022.1.0 before 2022.1.13
CVE-2023-0868
6.1
0%
Feb 23
Stealing Cookies using Reflected XSS via graph results
Affected: 2022.1.0 before 2023.1.0
CVE-2023-0869
6.1
0%
Feb 23
Cross-site scripting in outage/list.htm
Affected: 2022.1.0 before 2023.1.0
CVE-2023-0846
6.1
0%
Feb 22
Unauthenticated, stored XSS in display of alarm reduction-key
Affected: 2020.1.0 before 2020.1.32; 2021.1.0 before 2021.1.24; 2022.1.0 before 2022.1.13
CVE-2026-19596
5.9
0%
Sep 10
OpenNMS XML collector XXE allows arbitrary file read from the OpenNMS host
Affected: 2024.1.0 before 2024.3.13; 2025.0.0 before 2025.0.10
CVE-2026-19135
5.4
0%
Aug 13
OpenNMS JEXL sandbox bypass in Measurements REST API allows ROLE_USER to load arbitrary classes
Affected: 2024.1.0 before 2024.3.12; 2025.0.0 before 2025.0.9
CVE-2023-40312
5.2
1%
Aug 14
Reflected XSS in multiple JSP files in opennms/opennms
Affected: 2020.0.0 through 2020.1.37; 2021.0.0 through 2021.1.29; 2022.0.0 through 2022.1.18; 2023.0.0 through 2023.1.5
CVE-2023-40311
4.8
1%
Aug 14
Stored XSS in multiple JSP files in opennms/opennms
Affected: 2020.0.0 through 2020.1.37; 2021.0.0 through 2021.1.29; 2022.0.0 through 2022.1.18; 2023.0.0 through 2023.1.5
CVE-2026-19182
4.3
0%
Aug 13
OpenNMS v2 Alarm REST API inverted authorization check lets ROLE_REST users acknowledge alarms as any user and bypass read-only
Affected: 2024.1.0 before 2024.3.12; 2025.0.0 before 2025.0.9
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