147 matches found
CVE-2026-111235
An authorization bypass vulnerability exists in the REST API of multiple versions of OpenNMS Meridian and Horizon. The /rest/ Spring Security filter chains authorize requests with intercept-url rules that name the HTTP method as an uppercase token, compare the method case-sensitively, and have no...
CVE-2026-111252
A denial of service vulnerability exists in the XML parsing of multiple versions of OpenNMS Meridian and Horizon. OpenNMS parsed XML without an effective limit on entity expansion. A document with a DOCTYPE that declares internal entities can expand to a very large value and exhaust the server...
CVE-2026-111252 OpenNMS denial of service via XML entity expansion
A denial of service vulnerability exists in the XML parsing of multiple versions of OpenNMS Meridian and Horizon. OpenNMS parsed XML without an effective limit on entity expansion. A document with a DOCTYPE that declares internal entities can expand to a very large value and exhaust the server...
CVE-2026-111235 OpenNMS REST authorization bypass via non-canonical HTTP method
An authorization bypass vulnerability exists in the REST API of multiple versions of OpenNMS Meridian and Horizon. The /rest/ Spring Security filter chains authorize requests with intercept-url rules that name the HTTP method as an uppercase token, compare the method case-sensitively, and have no...
CVE-2026-111235
An authorization bypass vulnerability exists in the REST API of OpenNMS Meridian and Horizon . The flaw occurs because the Spring Security filter chains for /rest/** use case-sensitive rules for uppercase HTTP methods and lack a terminal deny rule. Consequently, using a non-canonical (e.g., lower...
CVE-2026-89089
A SQL injection vulnerability exists in the JasperReports-based reporting feature of multiple versions of OpenNMS Meridian and Horizon. A low-privileged authenticated user ROLEUSER can run the shipped, default-enabled online reports "Maintenance contracts expired" AssetManagementMaintExpired and...
EUVD-2026-75729
A SQL injection vulnerability exists in the JasperReports-based reporting feature of multiple versions of OpenNMS Meridian and Horizon. A low-privileged authenticated user ROLEUSER can run the shipped, default-enabled online reports "Maintenance contracts expired" AssetManagementMaintExpired and...
CVE-2026-89089 OpenNMS SQL injection in shipped Asset Management JasperReports via the DATE_FORMAT parameter (ROLE_USER)
A SQL injection vulnerability exists in the JasperReports-based reporting feature of multiple versions of OpenNMS Meridian and Horizon. A low-privileged authenticated user ROLEUSER can run the shipped, default-enabled online reports "Maintenance contracts expired" AssetManagementMaintExpired and...
CVE-2026-89054
A missing authorization vulnerability in OpenNMS Horizon allows configuration changes without authentication. The Spring Security policy for the /api/v2 REST API defines authorization rules for every HTTP method except PATCH, so the shipped @PATCH configuration endpoints for event configuration a...
CVE-2026-19596
An XML External Entity (XXE) vulnerability in the XML collector of OpenNMS Meridian and Horizon allows an attacker who can control the XML response collected by OpenNMS (e.g., via a compromised monitored host or HTTP man-in-the-middle) to read files accessible to the OpenNMS service account, incl...
CVE-2026-89054 OpenNMS missing authorization on /api/v2 PATCH endpoints allows unauthenticated configuration changes
A missing authorization vulnerability in OpenNMS Horizon allows configuration changes without authentication. The Spring Security policy for the /api/v2 REST API defines authorization rules for every HTTP method except PATCH, so the shipped @PATCH configuration endpoints for event configuration a...
CVE-2026-89054 OpenNMS missing authorization on /api/v2 PATCH endpoints allows unauthenticated configuration changes
A missing authorization vulnerability in OpenNMS Horizon allows configuration changes without authentication. The Spring Security policy for the /api/v2 REST API defines authorization rules for every HTTP method except PATCH, so the shipped @PATCH configuration endpoints for event configuration a...
EUVD-2026-75707
A missing authorization vulnerability in OpenNMS Horizon allows configuration changes without authentication. The Spring Security policy for the /api/v2 REST API defines authorization rules for every HTTP method except PATCH, so the shipped @PATCH configuration endpoints for event configuration a...
CVE-2026-89054
CVE-2026-89054 is a missing authorization vulnerability in OpenNMS Horizon . The Spring Security policy for the /api/v2 REST API defines authorization rules for every HTTP method except PATCH , leaving the shipped @PATCH endpoints for event configuration and SNMP data collection accessible withou...
CVE-2026-89054 OpenNMS missing authorization on /api/v2 PATCH endpoints allows unauthenticated configuration changes
A missing authorization vulnerability in OpenNMS Horizon allows configuration changes without authentication. The Spring Security policy for the /api/v2 REST API defines authorization rules for every HTTP method except PATCH, so the shipped @PATCH configuration endpoints for event configuration a...
CVE-2026-89089: Improper Neutralization of Special Elements used in an SQL Command
A SQL injection vulnerability exists in the JasperReports-based reporting feature of multiple versions of OpenNMS Meridian and Horizon. A low-privileged authenticated user ROLEUSER can run the shipped, default-enabled online reports "Maintenance contracts expired" AssetManagementMaintExpired and...
PT-2026-89576
A missing authorization vulnerability in OpenNMS Horizon allows configuration changes without authentication. The Spring Security policy for the /api/v2 REST API defines authorization rules for every HTTP method except PATCH, so the shipped @PATCH configuration endpoints for event configuration a...
CVE-2026-19596: Improper Restriction of XML External Entity Reference
An XML External Entity XXE vulnerability exists in the XML collector of multiple versions of OpenNMS Meridian and Horizon. When OpenNMS collects XML from a source whose response is attacker-controlled for example a compromised monitored host or an HTTP man-in-the-middle position, the collector's...
PT-2026-89577
An XML External Entity XXE vulnerability exists in the XML collector of multiple versions of OpenNMS Meridian and Horizon. When OpenNMS collects XML from a source whose response is attacker-controlled for example a compromised monitored host or an HTTP man-in-the-middle position, the collector's...
CVE-2026-89054: Missing Authorization
A missing authorization vulnerability in OpenNMS Horizon allows configuration changes without authentication. The Spring Security policy for the /api/v2 REST API defines authorization rules for every HTTP method except PATCH, so the shipped @PATCH configuration endpoints for event configuration a...