258 matches found
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...
CVE-2026-19596
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...
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-2026-89089 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...
EUVD-2026-75725
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-2026-19596
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-2026-19596 OpenNMS XML collector XXE allows arbitrary file read from the OpenNMS host
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-2026-19596 OpenNMS XML collector XXE allows arbitrary file read from the OpenNMS host
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-2026-89588
A SQL injection vulnerability exists in the JasperReports-based reporting feature of multiple versions of OpenNMS Meridian and Horizon. A low-privileged authenticated user ROLE USER can run the shipped, default-enabled online reports "Maintenance contracts expired" AssetManagementMaintExpired and...
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-2026-19182
An incorrect authorization check in the v2 Alarm REST API in OpenNMS Meridian and Horizon allows a low-privileged authenticated user ROLEREST to acknowledge, escalate, or clear alarms recorded as an arbitrary username, and, when also assigned ROLEREADONLY, to modify alarm state despite the...
EUVD-2026-57719
An incorrect authorization check in the v2 Alarm REST API in OpenNMS Meridian and Horizon allows a low-privileged authenticated user ROLEREST to acknowledge, escalate, or clear alarms recorded as an arbitrary username, and, when also assigned ROLEREADONLY, to modify alarm state despite the...
CVE-2026-19135
A JEXL expression sandbox bypass exists in multiple versions of OpenNMS Meridian and Horizon. A low-privileged authenticated user can submit a crafted expression to the Measurements REST API that escapes the sandbox and loads arbitrary Java classes on the server. This can potentially allow an...
Linux Distros Unpatched Vulnerability : CVE-2026-19135
The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A JEXL expression sandbox bypass exists in multiple versions of OpenNMS Meridian and Horizon. A low- privileged authenticated user can submit a crafted expressi...
PT-2026-71387
An incorrect authorization check in the v2 Alarm REST API in OpenNMS Meridian and Horizon allows a low-privileged authenticated user ROLE REST to acknowledge, escalate, or clear alarms recorded as an arbitrary username, and, when also assigned ROLE READONLY, to modify alarm state despite the...
CVE-2026-19135
A JEXL expression sandbox bypass exists in multiple versions of OpenNMS Meridian and Horizon. A low-privileged authenticated user can submit a crafted expression to the Measurements REST API that escapes the sandbox and loads arbitrary Java classes on the server. This can potentially allow an...
GHSA-F5V8-V6Q3-Q4H6 Meridian: Multiple defense-in-depth gaps (collection/depth caps, telemetry, retry, fan-out)
Summary Meridian v2.1.0 Meridian.Mapping and Meridian.Mediator shipped with nine defense-in-depth gaps reachable through its public APIs. Two are HIGH severity — the advertised DefaultMaxCollectionItems and DefaultMaxDepth safety caps are silently bypassed on the IMapper.Mapsource, destination...
CVE-2023-40314
Cross-site scripting in bootstrap.jsp in multiple versions of OpenNMS Meridian and Horizon allows an attacker access to confidential session information. The solution is to upgrade to Horizon 32.0.5 or newer and Meridian 2023.1.9 or newer Meridian and Horizon installation instructions state that...
CVE-2023-40312
Multiple reflected XSS were found on different JSP files with unsanitized parameters in OpenMNS Horizon 31.0.8 and versions earlier than 32.0.2 on multiple platforms that an attacker can modify to craft a malicious XSS payload. The solution is to upgrade to Meridian 2023.1.6, 2022.1.19, 2021.1.30...